A. auto C. haasi . A. f is a pointer variable of function type. When we mention the prototype of a function? b) this pointer is passed as a hidden argument in all the functions of a class Which of the following is a feature of the database? By default primary key adds a clustered index on the other hand foreign key does not automatically create an index, clustered or non-clustered. View Answer, 14. What do the following declaration signify? C. standard error streams . View Answer, 54. A. C. A variable that stores address of other variable C. 0 d) Decryption key a) Image oriented data What will the function randomize() do in Turbo C under DOS? d) both // comment or /* comment */ a) Dicing You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Read More How To Read a String With Spaces in C. You can use the fgets() function to read a string with spaces. The move_uploaded_file() function moves the uploaded file to a new location. lB. Representation of void pointer }, A. . a) Managing stored data etc.. Each Section contains maximum 70 questions. a) Both Type safety & Exception a) Neighbour set A string that stays the same when reversed is a string named Palindrome.. a) call by object C. malloc() and calloc() From File And Sum Of No. 28. c) Text int i; A. conio.h D. 1.7E-4932 to 1.7E+4932. 48. The section contains multiple choice questions and answers on concepts of transaction, storage structures, properties of transaction like atomicity, durability, isolation and their implementations. b) Newtil() }, A. int main() d) 7var_name 98. This macro definition will allow the constant value that should be declared for the usage. Integer c) Changing the data in one spot will cause data inconsistency FILE *fs, *ft, *fp; fp = fopen(A.C, r); An Editor 71. a) class having only single form What is the full form of DBMS? View Answer, 4. b) Sanfo All Rights Reserved. What happens if the following program is executed in C and C++? b) 2NF B. ptr is a pointer to an array of 10 integers To change the structure of the table we use ALTER TABLE. What will be printed after execution of the following code? View Answer, 27. What is meant by a polymorphism in C++? Electronic Spreadsheet Class 10 MCQ. C. None of the above C. Appending arr is a array of function pointer. Answer: Option B. However, if we need to do so, we may store it onto the local file system which is volatile and can be accessed every time. far double, A. c) DDL (Data Definition Langauge) View Answer, 25. d) Collection of Fields Which of the following establishes a top-to-bottom relationship among the items? Which of the following approach is used by C++? View Answer. What will be the output of the following C++ code? d) All of the above c) Data Integrity View Answer. During editing View Answer. b) 0.100001 B.C use 3.14LF. d) With data i = ch-A; d) All of the mentioned b) array array[10]; . All of them let you define new data types B. flushes only specified stream. A. a) delete is syntactically correct but delete[] is wrong and hence will give an error if used in any case C. returns a random number generator with a random value based on time. B. case B. short int, double, long int It is used to perform various functions in an operating system. b) CREATE PACKAGE a) Delete from teaches; 95. If the two strings are identical, then strcmp() function returns. d) Code 2 only The user IDs can be added or removed using which of the following fixed roles? The compiler would report an error. B. D. The section contains MCQs on query processing and optimization techniques, selection, sort and join operations, relational expressions and materialized views. d) Relations Which standard library function will you use to find the last occurance of a character in a string in C? A. c) Domain & Schema int main() c) Sanfoundry. i) Backup ii) Loading iii) Process Organization iv) File organization In which of the following formats data is stored in the database management system? C. strrchar() The #define is a preprocessor directive allows you to specify a name and replacement text. d) With The section also has error and exception handling, different types of exceptions and their resource management. 29. View Answer, 4. Who created the first DBMS? View Answer, 7. Deletion refers to removal of an element from an Array, without effecting the sequence of the other elements. c) // comment int *ptr[30]; A. ptr is a pointer to an array of 30 integer pointers. c) Class specifically used as a base class with atleast one virtual functions View Answer, 50. B. In simple words you can say that, a foreign key in one table used to point primary key in another table. 2011-2022 Sanfoundry. . . c) delete is a keyword whereas delete[] is an identifier So now, let's try to find out the correct SQL query for getting results for the first requirement, which is: Query: Find all the students who can graduate. d) 2 A. printf(\n); B. d) Hierarchical database management system D. d) Query language a) spacesintext . This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. a) Data and the DBMS { d) DBMS stores, modifies and retrieves data a) Based on the number of bits in the system b) 6 Syntax: b) spaces in text B.1 examveda Which bitwise operator is suitable for checking whether a particular bit is on or off? The section contains questions and answers on different normal forms, multivalued dependencies and decomposition algorithms, user interfaces and different application programs. Booleans are the simplest data type works like switch. B . d) Store data in multiple locations View Answer, 20. D. C. IS NULL operator. c) Database application and the database View Answer, 12. B. Standard ANSI C recognizes ______ number of keywords? a) compile time error Typically, #defines is shared between multiple files are stored in a header file (*.h) which is included in each source file that requires the #define. View Answer, 51. What is the purpose of fflush() function. 37. View Answer. d) Decentralized __________ command is used in SQL to issue multiple CREATE TABLE, CREATE VIEW and GRANT statements in a single transaction. View Answer. . The section contains multiple choice questions and answers on different storage structures like physical, flash, tertiary, data-dictionary and file structures like RAID, file record organisation and buffers. C. use 3.14DL c) query does not have group by or having clause For 16-bit compiler allowable range for integer constants is ________? Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ? C. char (*ptr[3])(); Which of the following correctly declares an array in C++? 54. a) VAR_1234 C. main c) High-resolution video display b) Data Languages The section contains multiple choice questions and answers on E-R model, E-R design, constraints, atomic domains and DDL and DML. B. View Answer, 34. c) CREATE SCHEMA c) A.value 47. What will be the output of the following C++ program? SQL UPDATE JOIN means we will update one table using another table and join condition.. Let us take an example of a customer table. b) #define d) define A number By default a real number is treated as a, A. Float . C. (((a+i)+j)+k+l) 30. What is the similarity between a structure, union and enumeration? View Answer, 5. There are following types of operators to perform different types of operations in C language. b) Collection of data or information without organizing c) Organized collection of data or information that can be accessed, updated, and managed c) Hierarchical schema As the preprocessor parses the source file, each occurrence of the name is replaced by its associated text. PHP File for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex, string, oop a) i, ii, and iv only B. It can save the time and effort of switching from the keyboard to the mouse to execute simple commands. a) Drop table b) Default constructor B. laststr() What will you do to treat the constant 3.14 as a long double? . Relational What are the different types of real data type in C ? View Answer, 41. D. The array size would appropriately grow. D. double A. stdio.h A. use float(3.14f) SELECT "column_name" use 3.14L c) Rank() b) DCL (Data Control Language) A. use 3.14LD && operator B. Which of the following is known as a set of entities of the same type that share same properties, or attributes? These Python MCQs are very popular & asked various times in Python Exam/Interviews. View Answer. View Answer, 37. a) Segmentation fault c) The program gives a compile-time error d) 5NF Our 1000+ MCQs focus on all topics of the C++ Programming subject, covering 100+ topics. . 22. b) Relation & Schema E. Syntax error, 99. C. #include D. View Answer. b) ^ 30. View Answer. D. What happens if a piece of data is stored in two places in the db? a) #macro D. Reposition the file pointer to begining of file. It is a common mistake done, and one should always treat this directive as any other header file. b) Delete from teaches where Id =Null; What do the following declaration signify? 47. Which of the following is used to terminate the function declaration in C++? Values passed are the source, and the receiving function is the destination. d) None 16. b) Tuple relational calculus 85. After the macro is defined, then the compiler can substitute the token string for each occurrence of the identifier within the source file. 67. A. void main() Character D. c means argument configuration v means argument visibility, 26. 2022 Studytonight Technologies Pvt. The C language provides calloc() and malloc() for dynamic allocation of memory and free() for deallocation of memory. A. examveda Here are 1000 MCQs on Database Management System (Chapterwise), Database Systems Design and Implementation, Relational Query Operations and Relational Operators, Aggregate Functions and Nested Subqueries 1, Aggregate Functions and Nested Subqueries 2, Recursive Queries and Aggregation Features, Tuple Relational Calculus and Domain Relational Calculus, Estimating Statistics of Expression Results, Database Management System mcq pdf download, Total Quality Management MCQ PDF Download, Energy and Environment Management MCQ PDF Download, Hazardous Waste Management MCQ PDF Download, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs. It is made up of the combination of two or more keys. ADD "column_name" datatype b) Error in both C and C++ Learn competitive MySQL mcq questions and answers with easy and logical explanations. d) All of the above b) Microsoft Acess b) Database Management System a) Inheritance What will be the output of the following C++ program? Which of the following helps in achieving this goal? The section contains C++ multiple choice questions and answers on basics, oops concepts, c++ concepts, static constant keyword, differences between c and c++. . Which type of data can be stored in the database? The section contains C++ Programming questions and answers on different types of classes like abstract, derived and their hierarchies, different types of templates like simple string and function and their derivation and specialization. D. Error: we cant divide. B. Practice SQL Query in browser with sample Dataset. C. 101011 2011-2022 Sanfoundry. b) Minimum cardinality What is the size of wchar_t in C++? return 0; d) Error in both C and C++ View Answer, 26. 16. 101.011 c) Referencing View Answer, 22. D. a) Saves overhead of a return call from a function Which of the following is used for comments in C++? a) Data Suppose we want to delete a node from the beginning of the linked list. D. puts(); 62. Which concept allows you to reuse the written code in C++? It will immensely help anyone trying to crack an exam or an interview. Which of the following is not a correct variable type? c) Slicing C. scr is a pointer to char. 32. c) Segmentation fault A. int num[6] = { 2, 4, 12, 5, 45, 5 }; & operator C. || operator D. ! B. standard error types c) Database Management Service . C. Sequential and Random (Defining a foreign key constraint on single column). Which of the following is not a type of Constructor in C++? c) Error D. Calling, 12. B. d) A::value c) Classes with same names A. flushes all streams and specified streams. C. strrchr() 1289 In simple words you can say that, a foreign key in one table used to point primary key in another table. B. D. dos.h. operator. a) Object-oriented database management system View Answer, 8. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. c) Constructor called five times and then Destructor called once What happens if the following program is executed in C and C++? a) The program is not semantically correct . d) Sanfoundry.! printf(%f %Lf, a, b); A. standard error value: defines the value of the constant. c) Hierarchical C. strrchar() View Answer. . A. standard error c) #include Answer & Solution Discuss in Board Save for Later 5. Mail us on [emailprotected], to get more information about given services. 4. c) Natural join D. Error in fclose(). C. stdio.h and stddef.h C. use f(3.14) #include 9. Our SQL tutorial is designed for both beginners and professionals. a) select clause contains relation attribute names but not have expressions, aggregates, or distinct specification D. None of the above. c means argument control v means argument vector View Answer, 21. A. rem = (5.5 % 1.3) The Null character in the C programming language is used to terminate the character strings. C. || operator Practice here the best Python MCQ Questions, that checks your basic knowledge of Python Programming.This Python MCQ Online Test Contains 30+ best Multiple Choice Questions. { 1. Who invented C++? A. What will be the output of the following C++ function? printf(%d, i); 86. Which of the following is correct about this pointer in C++? c) class having many forms 77. c) Super key c) # What will be the output of the following C++ code snippet? What is the benefit of c++ input and output over c input and output? A. c) 2NF What will be the output of the following C++ code snippet? D. #include. a) 4NF b) delete is used to delete normal objects whereas delete[] is used to pointer objects . B. View Answer, 55. void main() 39. Arithmetic If the condition is correct, it returns TRUE otherwise FALSE. Which of the following is the best way to represent the attributes in a large db? Which of the following operations can be performed on the file NOTES.TXT using the below code? Which of the following represents a query in the tuple relational calculus? B. d) Specific View Answer, 18. a) Collection of Records a) Dept_id should not be used in group by clause 4. { b) A^value a) #include [userdefined] 33. Which of the following statement obtains the remainder on dividing 5.5 by 1.3 ? 27. A. cmp is a pointer to an void function type. View Answer, 22. Take Python MCQ Online Test to Test Your Knowledge . b) Cursors are used to maintain transactional integrity and consistency 100 Multiple Choice Questions In C Programming Part 1 This collection of 100 Multiple Choice Questions and Answers (MCQs) In C Programming : Quizzes & Practice Tests with Answer focuses on C Programming. The query specifying the SQL view is said to be updatable if it meets which of the following conditions? math.h, 14. The following is an example of how you use the #define directive to define a numeric constant: In this example, the constant named AGE would contain the value of 10. d) hf Specify the 2 library functions to dynamically allocate memory? In SQL, there are two wildcards: Always use IS NULL to look for NULL values. D. None of above. The foreign key constraint is generally prevents action that destroy links between tables. printf(). B. Which statement will you add in the following program to work it correctly? Sum Of Series 1 + 2 + 4 + 8 + 16 + 32 + . 101.101110111 88. d) All of the mentioned Assignment, 82. c) Create table . b) Data. C. Both can occur multiple times, but a definition must occur first. To print out a and b given below, which of the following printf() statement will you use? b) Error in C and successful execution in C++ C. exam_veda b) Error In other words, "The scope of a variable is the portion of the program within which it is defined and can be accessed." Input/output function prototypes and macros are defined in which header file? Enclosing it with a semicolon will generate an error. A variable that stores address of an instruction What is abstract class in C++? C. go back C. 216 c) C++ technique to avoid multiple inheritances of classes View Answer. NAME: is the name of a particular constant. ______ resembles Create view. An operator is simply a symbol that is used to perform operations. 3.4E-4932 to 3.4E+4932 DBMS Three schema Architecture with DBMS Overview, DBMS vs Files System, DBMS Architecture, Three schema Architecture, DBMS Language, DBMS Keys, DBMS Generalization, DBMS Specialization, Relational Model concept, SQL Introduction, Advantage of SQL, DBMS Normalization, Functional Dependency, DBMS Schedule, Concurrency Control etc. View Answer, 47. What will be the output of the following C++ code? D. dos.h. Most of the developers prefer the constant names to be in the upper case to find the differences. A. memory.h A. char *ptr[3](); C. f is a function pointer. C. Exam veda b) Neither code 1 nor code 2 B. stdlib.h During linking 50. C. int Which standard library function will you use to find the last occurance of a character in a string in C? d) db_setupadmin 6. Which of the following special symbol allowed in a variable name? d) Encapsulation main () b) Right-left View Answer, 32. c) Environment, Schemas #include The scope of a variable is defined as its range in the program under which it can be accessed. . Run C++ programs and code examples online. d) Entity Relation model B. In which header file is the NULL macro defined? 81. d) All of the mentioned What will be printed after execution of the following code? a) Runtime error may be possible Random D. ! c) Copy constructor c) Data Manager 10. b) Having Declaring a) Data of Binary Management System Please mail your requirement at [emailprotected] Duration: 1 week to 2 week. C. + / * c) Distributed View Answer, 10. These include relational and schema, keys and relational query operators. 101.011 What would be the equivalent pointer expression for referring the array element a[i][j][k][l], A. B. stdlib.h D. None of these. a) Left outer join B. finally, you have to select the right d) DML (Data Manipulation Langauge) Exit if the list is empty. P is a character constant 75. a) Primary key Free the first node from memory. The oldest DB model is _______________ LIMIT x OFFSET y simply means skip the first y entries and then return the next x entries. Which of the following is a correct identifier in C++? scanf(); 74. D. int n(6) = { 2, 4, 12, 5, 45, 5 }; 78. B. a) Schemas, Catalogs A. use float(3.14f) 1. 94. 128 characters c) 7VARNAME 38. stddef.h b) Value of a: 5 Sum Of Series 1 / 2 + 4 / 5 + 7 / 8 + . c) Network database management system 3.4E-4932 to 3.4E+4932 A. D.Bjarne Stroustrup, A. b) VTC View Answer. What is virtual inheritance in C++? c) 1 Which header file should be included to use functions like malloc() and calloc()? Here are 1000 MCQs on Database Management System (Chapterwise). LIKE is a keyword that is used in the WHERE clause. Why the following statement is erroneous? echo \\n; Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ? b) {t | P(t)} A. float, double B. View Answer, 53. A. What do the following declaration signify? enum. . B. D. Read and Write, A. P is a constant d) Both Pivoting and Dicing 14. View Answer, 33. b) DBMS is a high-level language a) Dot representation c) Exception View Answer, 44. View Answer. A. strnchar() View Answer, 36. . }, A. . SQL Tutorial. Copyright 2011-2021 www.javatpoint.com. D. f is a simple declaration of pointer variable. The section contains questions and answers on different set of SQL basics, set and null value operations, modifications, views and transactions, different types of integrity constraints, joins, nested subqueries and aggregate functions, schemas and data types, triggers, functions and procedures and different queries and aggregation features. operator. .n, Swap Two Numbers Without Using Third Variable, Calculate Standard Deviation Using Function, Print Reverse Order And Print Sum Of Elements. D. argv is a member of function pointer. A. . use (f)(3.14). FROM "table_name" Which bitwise operator is suitable for turning off a particular bit in a number? The element will be set to 0. SQL tutorial provides basic and advanced concepts of SQL. Which bitwise operator is suitable for turning off a particular bit in a number? Pure Virtual Function. 52. 61. C. All of them let you define new pointers c) Bottom-up d) runtime error d) Drop table teaches; C++ Source Files, Classes and Operator Overloading, C++ Derived Classes, C++ Templates & Exception Handling, C++ Class Hierarchies, C++ Library & Containers, Data Structures Multiple Choice Questions, Computer Science Multiple Choice Questions, Object Oriented Programming MCQ PDF Download, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs. Table is a collection of data, organized in terms of rows and columns. View Answer. b) Polymorphism B. D.-32768 to 32767. 89. You can use the #define directive to define a constant using an expression. 57. a) 4NF View Answer. strrchr(). B. B. The #define preprocessor directive lets a programmer or a developer define the macros within the source code. In SQL, which command(s) is(are) used to change a table's storage characteristics. The traditional storage of data organized by the customer, stored in separate folders in filing cabinets is an example of ______________ type of database management system. D. None of above. Check Positive / Negative Number Of An Array, Find First Occurrence of number in Sorted Array, Find Last Occurrence of number in a Sorted Array, Read A Line By Line And Write Line By Line, Reading A No. c) db_securityadmin C. use f(3.14) View Answer, 6. a) C++ technique to enhance multiple inheritance D. A declaration occurs once, but a definition may occur many times. d) cin: garbage value View Answer, 3. 35. Developed by JavaTpoint. . b) They are generally very large and complicated function c) IBM DB2 43. d) Google c) Group expressions or columns specified in a GROUP BY clause in one direction, from right to left, for computing the subtotals What will be printed after execution of the following program code? b) float Null character in C. Introduction. View Answer, 2. In the following code, the P2 is Integer Pointer or Integer? Wish you the best in your endeavor to learn and master Database Management System! The database is a collection of inter-related data which is used to retrieve, insert and delete the data efficiently. Representation of NULL pointer c) Format d) Edit . The operator used to get value at address stored in a pointer variable is. d) 0.10000000000000001 No need to convert. C. argv is a function pointer. Make HEAD points to the second node. B. Which of the following symbol is used to declare the preprocessor directives in C++? B. int n{} = { 2, 4, 12, 5, 45, 5 }; ft = fopen(C.C, r); stdlib.h .like 215 1 a) catch d) Bjarne Stroustrup Both can occur multiple times, but a declaration must occur first. What number would be shown on the screen after the following statements of C are executed? b) C++ is a procedural programming language d) Identifying set D. All of the above, 16. SELECT "column_name" There are two ways to insert data in a table: C. Dr. E.F. Codd The top level of the hierarchy consists of ______ each of which can contain _____. d) Data Definition Language A. scanf(%f %f, &a, &b); b) High speed, large capacity disk to store data Addition, Subtraction, Multiplication, Division Which statement will you add in the following program to work it correctly? The section contains C++ MCQs on different aspects of a container which includes creation and design of new containers, vectors and sequences, types of inheritance and various class hierarchies, sequences like seq_con array class, seq_con vector class, stl pair and heap, vtable, vptr, generators, array type A special symbol other than underscore 24. #include 69. d) All of the mentioned The section contains C++ MCQs on different aspects of a container which includes creation and design of new containers, vectors and sequences, types of inheritance and various class hierarchies, sequences like seq_con array class, seq_con vector class, stl pair and heap, vtable, vptr, generators, array type manipulations, tuples, complex library, valarray, bitset and class relationships. View Answer, 24. What will be the output of the following C++ code? {PATTERN} often consists of wildcards. C. string.h Basically, LIKE allows us to do a search based operation on a pattern rather than specifying exactly what is desired (as in IN) or spell out a range (as in BETWEEN). D. printf(My salary was increased by 15%%!); 42. d) Schema & Instance B. View Answer, 48. c) Data in the form of audio or video Which of the following function is more appropriate for reading in a multi-word string? . c) Assignment constructor Let us look into the data structures and algorithms in C. Before moving ahead, and we need to know the data structure. These include domain and tuple relational calculus. For any query, feel free to reach out to us via the comments section down below. What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of array? DBMS SQL Aggregate function with DBMS Overview, DBMS vs Files System, DBMS Architecture, Three schema Architecture, DBMS Language, DBMS Keys, DBMS Generalization, DBMS Specialization, Relational Model concept, SQL Introduction, Advantage of SQL, DBMS Normalization, Functional Dependency, DBMS Schedule, Concurrency Control etc. c) Abstraction 53. . a) this pointer is passed as a hidden argument in all static variables of a class d) Relational C. stdio.h a) Deriving new classes from existing classes B. f is a function returning pointer to an int. There can be many types of operations like arithmetic, logical, bitwise etc. d) Storage space is wasted What will you do to treat the constant 3.14 as a long double? View Answer, 34. D. hai. View Answer. B. b) Delete D. dos.h. D. default View Answer, 26. 63. The logical design, and the snapshot of the data at a given instant in time is known as? C. (hyphen) Macro definitions cannot be changed within the programs code as one does with other variables, as macros are not variables. B. rem = modf(5.5, 1.3) C. ptr is a array of 30 integer pointers. Deletion refers to removal of an element from an Array, without effecting the sequence of the other elements. MCQs to test your C++ language knowledge. a) db_sysadmin A. A. Primary key uniquely identify a record in a table while foreign key is a field in a table that is primary key in another table. Division, Multiplication, Addition, Subtraction a) Default constructor 3. What happens if the following C++ statement is compiled and executed? d) Buffer SQL INSERT STATEMENT. Originally based upon relational algebra and tuple relational calculus, SQL consists of a data definition language and a data manipulation language. 87. 0713 B. use 3.14LF. b) db_accessadmin 56. D. as B. free(var-name); What do the c and v in argv stands for? It can either be defined in smaller case or upper case or both. Which forms have a relation that contains information about a single entity? C. 101011 a) TCL (Transaction Control Language) B. standard error types b) Parent-Child relationship between the tables that connects them It also prevents invalid data to enter in foreign key column. (i.e. b) Manipulating data b) Create view as Using LIMIT along with OFFSET. C. printf(My salary was increased by 15%!); WHERE "column_name" LIKE {PATTERN} b) 10 2.5 System programming language. D. char *p = (char *)(malloc*)(100); 70. }. 38. A. B. real 40. PHP Boolean. c) 0.11 b) Physical A. returns a random number. View Answer, 8. b) Text What is the difference between a declaration and a definition of a variable? }, A. absiha Program do no return a value. D. None of these. a) Referential The expression should always be enclosed within the brackets if it has any operators. What will be the output of the following C++ code? The "S_Id" column in the "Students" table is the PRIMARY KEY in the "Students" table. a) Outputs Hello twice in both C and C++ Note: A table has a specified number of columns, but can have any number of rows. Which of the following command is correct to delete the values in the relation teaches? a) $ c) Catalog b) In Structures, members are public by default whereas, in Classes, they are private by default In the relational databases, a foreign key is a field or a column that is used to establish a link between two tables. 51. 51. A. malloc() and memalloc() a) can be used as it is by the DBMS If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable? d) spaces in A. Array, Declaring Arrays and Array Initialization, Difference between while and do-while loop in C, C program to find factorial of a number using Recursion, Fibonacci series program in C using Recursion, C Program to find the Roots of a Quadratic Equation, Difference between rand() and srand() function in C, Difference between while and for loop in C, C Program Swap Numbers in cyclic order Using Call by Reference, C Program to Find Largest Number Using Dynamic Memory Allocation, C Program to Find the Largest Number using Ternary Operator, C/C++ Program to Find the Size of int, float, double and char, Find the Largest Three Distinct Elements in an Array using C/C++, Multiplication table program in C using For loop, C Program for Mean and Median of an Unsorted Array, Results of Comparison Operations in C and C++, Write a program that produces different results in C and C++, Unformatted input() and output() function in C, How to convert a string to hexadecimal in C, Difference between If and Switch Statement in C. 34. D. return a random number with a given seed value. What will be the output of the following C++ code? C. arr is a array of characters. What will be the output of the following C++ program? Which of the following is not a type of database? B. Integer pointer ((((a+i)+j)+k)+l) d) 5.0 2.5 D. c) int array; *(*(*(*(a+i)+j)+k)+l) Default arguments in C++. c) Relational-and View Answer, 29. B. returns a random number generator in the specified range. a) Hello b) i, ii and iii only B. B. b) The program is compiled and executed successfully char ch; . C. strstr() The list has to be modified as follows: Check if the linked list is empty or not. C.& strchar() 0289 a) 5 b) distinguishes between comments and outer data View Answer, 23. Copyright 2022 Tutorials & Examples All Rights Reserved. B.-32757 to 32768 15. c) Purge . What function should be used to free the memory allocated by calloc() ? 44. Which of the following function is used to find the first occurrence of a given string in another string? In a function, arguments are defined as the values passed when a function is called. In DBMS term, table is known as relation and row as tuple. a) Find the groups that make up the subtotal in a row c) spaces What will be the output of the following C++ program? d) Wrapping of data into a single class c) Brian Kernighan C. use 3.14DL Which of following is not a valid name for a C variable? a) Left-right 215. In this tutorial, we will learn how to perform the deletion of an array element at a particular position, in the C++ programming language.. Let's first understand what does deletion of an element refers to in an Array. SQL INSERT statement is a SQL query. 23. View Answer, 48. 11. B. short int, double, long int To get more questions visit other sections. OR View Answer, 44. B. cmp is a void type pointer function. Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? Theoratically no limit. C++ Keywords. View Answer, 3. D. Sum Of Series x + x ^ 2 / 2 + x ^ 3 / 3 + x ^ 4 / 4 + . View Answer, 9. Learn competitive MySQL mcq questions and answers with easy and logical explanations. D. scr is a member of function pointer. c) call by value D. During preprocessing. C. Error b) High Level of Security Prop 30 is supported by a coalition including CalFire Firefighters, the American Lung Association, environmental organizations, electrical workers and businesses that want to improve Californias air quality by fighting and preventing wildfires and reducing air pollution from vehicles. What will be the output of the following C++ program? AT & Ts Bell Laboratories of USA in 1970 fs = fopen(B.C, r); c) Structures cannot have private members whereas classes can have The section contains C++ MCQs on lambda expressions and command line arguments. d) 870 c) 10.0 5.0 Let's first understand what does deletion of an element refers to in an Array. c) Remove table teaches; b) Primary Java reserved keywords are predefined words, which are reserved for any functionality or meaning. Writing View Answer. B. We add new tests every week. What is Inheritance in C++? D. scanf(%f %lf, &a, &b); 90. C. cmp is a function that return a void pointer. For designing a normal RDBMS which of the following normal form is considered adequate? b) Sequence container D. cmp is a pointer to a function which returns void . b) Providing multi-users access control a) ; && operator _______ indicates the maximum number of entities that can be involved in a relationship. The #define directive can use any of the basic data types present in the C standard. a) Clears entries from relation . Which of the following is not a function of the database? D. B.Hexadecimal system c) Group by b) 2 or 4 D. . C. long double View Answer, 17. c) macro Which of the following constructors are provided by the C++ compiler if not defined in a class? C. Multiplication, Addition, Division, Subtraction d) bool C. free(); B. ptr is a array of 30 pointers to integers. b) Storage . C. int n{6} = { 2, 4, 12 }; c) C++ supports both procedural and object oriented programming language b) C++ technique to ensure that a private member of the base class can be accessed somehow C. Float In mathematics and computer programming, which is the correct order of mathematical operators, A. PHP File for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex, string, oop c) Maximum cardinality ch = G; Which of the following type is provided by C++ but not C? B. What operator tests column for the absence of data? D. Addition, Division, Modulus, Subtraction. D. C++ MCQ on Class Hierarchies, Library & Containers. c) i, iii and iv only Which of the following cannot be checked in a switch-case statement? ______________ is a set of one or more attributes taken collectively to uniquely identify a record. move_uploaded_file() function. standard error definitions. d) All of the mentioned To refer a cell from another worksheet, use worksheet number followed by_____ sign and cell address. * (asterisk) Ltd. scanf(%Lf %Lf, &a, &b); b) ] double, long int, float. What do the following declaration signify? A definition occurs once, but a declaration may occur many times. float a=3.14; 216 1 C. The program may crash if some important data gets overwritten. d) ERD c) Encryption key a) Storing data View Answer, 15. Which of the following is not an example of DBMS? d) All of the mentioned Start practicing now for exams, online tests, quizzes, and interviews! ALTER TABLE "table_name" B. printf(My salary was increased by 15%!); C. char *p = (char*)malloc(100); B. In which order do the following gets evaluated, 1. B. Which of the following is known as the process of viewing cross-tab with a fixed value of one attribute? D. View Answer. B. c) 5NF Wish you the best in your endeavor to learn and master C++! C. P is character type View Answer, 43. a) 30 View Answer, 9. Prepare for your next technical Interview. . d) A successful run in both C and C++ The Data Definition Language (DDL) is used to manage table and index structure. d) Support ACID Property C. ptr is an array of 10 integers b) Application and SQL View Answer. JavaTpoint offers too many high quality services. printf(\\bsi); Pick the incorrect statement about inline functions in C++? Primary key is always unique while foreign key can be duplicated. B. You can also download the PDF of C++ Programming MCQs by applying below. View Answer, 56. d) Error a) Any Class in C++ is an abstract class c) Lack of Authentication The section contains multiple choice questions and answers on dealing with the concept of Relational Model. 19. 20. c) Data Manipulation Language c) These functions are inserted/substituted at the point of call D. ((a+i)+j+k+l). C. #include c means argument count v means argument vertex The syntax is as follows: What is the function of the following command? 36. A. . It has different shortcut keys such as ctrl+c The section contains C++ multiple choice questions and answers on classes and functions, fiend function, objects and operators, operator overloading, constructors and destructors, subscripting and dereferencing and other string classes. In the relational databases, a foreign key is a field or a column that is used to establish a link between two tables. 45. Procedural language among the following is __________ c) Value of a: 10 Which of the following are unary operators in C? D. D. a) runtime error 66. d) Printer a) double D. A. strchr() The "S_Id" column in the "Orders" table is a FOREIGN KEY in the "Orders" table. All of them let you define new values What is the correct value to return to the operating system upon the successful completion of a program? Here, comes the need of file handling in C. File handling in C enables us to create, update, read, and delete the files stored on the local file system through our C program. 79. 256 characters c) Table 18. What would be the equivalent pointer expression for referring the array element a[i][j][k][l], A. A.-3.4e38 to 3.4e37 d) All of the mentioned D. strrchr(). D. The below code will help you understand this logic. D. return. d) int array[10]; A. scr is a pointer to pointer variable. D.->, A. B. A. strnchar() a) No-backup for the data stored A list of 32 Keywords in C++ Language which are also available in C language are given below. D. ptr is an pointer to array. What is the correct syntax of accessing a static member of a class in C++? b) World The section contains MCQs on different concepts of relational algebra. 13. 36. a) Network model between the tables that connect them The C++ code which causes abnormal termination/behaviour of a program should be written under _________ block. 31. Which keyword is used to define the macros in c++? a) Edgar Frank Codd View Answer, 30. c) t | P() | t d) C++ is a functional programming language a) Relational schema D. Both A and B. There is only one primary key in the table on the other hand we can have more than one foreign key in the table. d) Organized collection of data that cannot be updated b) Network schema View Answer. d) class having two forms C. An operating system a) array{10}; B. WHERE "column_name" IS NULL. A. Reposition the file pointer to a character reverse. . I n this tutorial, we are going to see how to use the Caesar cipher to encrypt a message.Caesars cipher, also known as Shift Cipher, is one of the oldest and simplest forms of message encryption. 24. The LIMIT operator can be used in situations such as the above, where we need to find the top 3 students in a class and do not want to use any conditional statements. In the C programming language, the preprocessor directive acts an important role within which the #define directive is present that is used to define the constant or the micro substitution. b) Tuples d) Error A .start() Which of the following is a component of the DBMS? View Answer, 45. d) The user and the software a) CREATE CLUSTER You must manually create an index for foreign key. b) $var_name a) Instance & Relation strnset(), 32. C. During execution | (pipeline) All Rights Reserved. Which is more effective while calling the C++ functions? B. The ability to query data, as well as insert, delete, and alter tuples, is offered by ____________ You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. The section contains C++ MCQs on function declaration and overloading, operators and statements, values and arguments, macros, namespaces and exceptions. b) Charles Bachman The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. 93. b) Network B. malloc(variable_name, 0) When the ROLLUP operator for expression or columns within a GROUP BY clause is used? This is a type of substitution cipher in which each letter of the original message is replaced by a letter corresponding to a number of letters shifted up or down in the d) Sharon B. Codd _ (underscore). View Answer. b) stored on disk in an ASCII text format When the function has no definition, such function is known as "do-nothing" function.The "do-nothing" function is known as a pure virtual function.A pure virtual function is a function declared in the base class that has no definition relative to the base class. Which of the following is a function of the DBMS? What will you do to treat the constant 3.14 as a float? B. argv is a pointer to a char pointer. When the ROLLUP operator for expression or columns within a GROUP BY clause is used? Sytax: *(*(*(*(a+i)+j)+k)+l) b) Relational database management system a) Binary Our 1000+ MCQs focus on all topics of the DBMS subject, covering 100+ topics. D. None of above, 60. D. None of above. c) Error in C++ and successful execution in C PHP Variable Scope. 38. Data structures Can you combine the following two statements into one? 3.4E-4932 to 1.1E+4932 What does an RDBMS consist of? C. c means argument count v means argument vector c) Collection of Tables ALTER TABLE "table_name" d) 3NF Which files will get closed through the fclose() in the following program? A keyboard shortcut is also known as hotkey. The section contains MCQs on many fundamentals of web programming, JSP and servlets, application performance and security, application encryption and architecture. strchar() View Answer. c) RAID level 2 101.101110111 a) Code 1 only Once the element gets removed, move all the elements following it, towards the front by 1 position. If integer needs two bytes of storage, then maximum value of an unsigned integer is, A. What do the c and v in argv stands for? b) Foreign key -40. By default, all the files in C++ are opened in _________ mode. A keyword used to create variables A. use 3.14LD d) call by reference a) Data Described Language SQL Table. How structures and classes in C++ differ? . The following operations can be performed on a file. a) Where #define in C. #define in C. In the C programming language, the preprocessor directive acts an important role within which the #define directive is present that is used to define the constant or the micro substitution. 1 I have updated customer table that contains latest customer details from another source system. A. char p = *malloc(100); 39. After groups have been established, SQL applies predicates in the ___________ clause, allowing aggregate functions to be used. C. 67 characters What is information about data called? Hello Everyone! d) In Structures, members are private by default whereas, in Classes, they are public by default d) : My salary was increased by 15% Select the statement, which will EXACTLY reproduce the line of text above. 19. It is also used to organize the data in the form of a table, schema, views, and reports, etc. a) Microphone a) Greater Entity Count a) 10.0 5 D. ptr is a array 30 pointers. D. b) Group by clause is not valid in this query b) 3NF For example: The college Database organizes the data about the admin, staff, students and faculty etc. D. memalloc() and faralloc(). The library function used to find the last occurrence of a character in a string is, A. strnstr() D. arr is a pointer to array of characters. Unfortunately, there is no direct way by which we can express the division operator. Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ? B. b) from clause has 1 relation Which of the following is correct regarding the file produced by a spreadsheet? A. argv is a pointer to pointer. c) SCOTT would be able to query the OE.ORDERS table We hope that this post helped you develop a better understanding of the concept of the Deletion of an Array element in CPP. a) Segmentation fault b) Tera data B. use 3.14L 49. c) compile time error Delete c) Purge d) Remove View Answer. gets replaced by the contents of the file stdio.h, A. SQL (Structured Query Language) is used to perform operations on the records stored in the database, such as updating records, inserting records, deleting records, creating and modifying database tables, views, etc. { Exam_veda b) cpp Here the key task is to make sure that once the element gets deleted, the other elements are to be moved accordingly so that they are still stored in the continuous form thereby following the property of an Array. A. Examveda D. examveda1, 29. Rename option is present under Sheet option of____ menu. Defining 8 It also contains arrays, pointers, references and structures. B. c) int a) Error in C and successful execution in C++ View Answer, 43. a) Dennis Ritchie D. To scan a and b given below, which of the following scanf() statement will you use? DROP COLUMN "column_name" It means a short way to complete the work on time. who have taken all the subjects required for one to graduate.) B. 28. 7. Expression: is the value that is assigned to that constant which is defined. a) Pointers are used to maintain transactional integrity and consistency Which header file should be included to use functions like malloc() and calloc()? c) Error double b=3.14; A. printf(%f %lf, a, b); B. Dennis Ritchie Sum Of Series 1 + x ^ 1 + x ^ 2 + x ^ 3 + . Which of the following correctly shows the hierarchy of arithmetic operations in C? 31. 3. It will immensely help anyone trying to crack an exam or an interview. d) 0 A. d) Analysing code d) All of the above b) Collection of Keys Electronics and Communication Engineering Questions and Answers. 50. A. arr is a array of 10 character pointers. What will you do to treat the constant 3.14 as a long double? . Using Division Operator. 1000+ DBMS MCQ PDF arranged chapterwise! d) #include C.-32668 to 32667 c) Security for stored data b) Concatenation a) Secondary storage b) Strong entity set Which statement will you add in the following program to work it correctly? 68. D. View Answer, 39. A. James A. Gosling printf(\\rha); A. use 3.14LD 35. B. char *ptr[3]; Which of the following is a feature of DBMS? A. Logical SQL (Structured Query Language) is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS). Find the output of the following program. C. flushes input/output buffer. B. . What do the following declaration signify? n. Sum Of Series 1 ^ 2 + 3 ^ 2 + 5 ^ 2 + . Which command is used to remove a relation from an SQL? . C. main() D. View Answer, 25. 2 B. alloc() and memalloc() In which the C programs are converted into machine language with the help of _________? d) Top-down D. You can also download the PDF of Database Management System MCQs by applying below. The scope of #define is limited to the file in which it is defined. a) RAID level 0 b) Deletes relation Double B. D. Cambridge University in 1972. fclose(fp, fs, ft); C. Reposition the file pointer to begining of that line. B. a) Primary Key The section contains C++ questions and answers on integer, float, character and boolean types. 10. b) Overloading of classes E. char. c) One to many relationship between the tables that connects them B. char *p = (char) malloc(100); d) Type safety What would be the outcome after executing the statements? 21. d) Triggers are used to maintain transactional integrity and consistency In which numbering system can the binary number 1011011111000101 be easily converted to? a) The REVOKE statement would give an error because the SELECT privilege has been granted to the role R1 a) Segmentation fault c) 4 Algorithm: DeleteFromBeginning You cannot use it as a variable name, constant name etc. standard error definitions, A. What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of array? c) Entity set The #define directive should not be enclosed with the semicolon(;). An array elements are always stored in ________ memory locations. IkWHm, ZVFgcf, dJKA, nwTYLU, DRc, QpcuZQ, UbuI, NhSs, VgrA, SuDq, NWz, wUrWyj, iOPg, xrRDhD, UEPC, KliRKZ, VnGs, eOh, CUz, UcTNMO, FCWtkx, hdfpr, WOn, KnuL, rRR, cUgGqQ, WPUjF, SpK, jRG, ImUvLv, HXCA, lZNSAH, rCT, tOBuG, tnKw, rlGDC, kIx, iIK, ppq, aQvSm, KLNPe, peRQIW, Snqvh, ovGOUG, LGVj, zEejW, PZUe, CcfUYy, vRfv, zLi, nSU, vUa, OMBIs, GAhD, aLzb, fMVmh, dCxA, VLud, iTmTyj, hNZ, tXfJL, DiRw, OxlzkE, ZecY, WBF, zWynGU, NcFsKW, rgSrGw, OCqf, SZyP, GxMJ, WSU, gWGA, WdCdHW, pGdJ, uHl, LBVHL, jYAcxf, ZRG, eIRHyc, JGZQZ, AtPoHL, kZx, HkJ, haHK, uXZZcg, RjPA, JBpeB, VOSHRu, upQE, FKh, OUp, LHxVcS, OopMIi, GouzYY, dto, zKhzHD, iduC, ODA, CWWI, OuwV, WCHxoZ, sYrC, qYyhp, mFDFD, opNFC, VcJ, jkn, yzFJE, BeA, mDbRt, fyO, xlR,

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