B. What will be the output of the following C++ program? Sum Of Series 1 + x ^ 1 + x ^ 2 + x ^ 3 + . A. float After groups have been established, SQL applies predicates in the ___________ clause, allowing aggregate functions to be used. b) Collection of Keys View Answer, 6. d) All of the above Declaring Interactive Courses, where you Learn by writing Code. A. B. asiha ((((a+i)+j)+k)+l) A. What will be the output of the following C++ code? So, it is always better to learn any concept in C language compared to other languages. C. long double C. use f(3.14) C. 101011 Electronic Spreadsheet Class 10 MCQ. Delete c) Purge d) Remove View Answer. Why the following statement is erroneous? D. None of above. A. Reposition the file pointer to a character reverse. D. / * + . Logical The Data Definition Language (DDL) is used to manage table and index structure. d) Query language b) Sanfo The compiler would report an error. a) Saves overhead of a return call from a function View Answer, 2. 71. printf(\\nab); View Answer, 47. Which statement will you add in the following program to work it correctly? 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. a) i, ii, and iv only Which bitwise operator is suitable for checking whether a particular bit is on or off? Which bitwise operator is suitable for turning off a particular bit in a number? What is the purpose of fflush() function. What do the c and v in argv stands for? a) r distinguishes between comments and inner data d) Data Backup Management System 6. Random char ch; d) All of the above An identifier should not be any query language keywords such as SELECT, FROM, COUNT, DELETE, etc. P is a character constant c) DBMS is a programming language A. b) Schemas, Environment The #define directive should not be enclosed with the semicolon(;). a) Where b) Tera data a) Data of Binary Management System Division, Multiplication, Addition, Subtraction A. Integer enum. View Answer. The #define directive can use any of the basic data types present in the C standard. . b) 0.100001 B. What do the following declaration signify? a) Secondary storage It is used to perform various functions in an operating system. Which of the following function is more appropriate for reading in a multi-word string? So, #defines which are created in one source file are NOT available in a different source file. 15. d) Code 2 only This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. This macro definition will allow the constant value that should be declared for the usage. b) Compiler error may be possible It only serves as a placeholder. The #define preprocessor directive lets a programmer or a developer define the macros within the source code. What is the correct value to return to the operating system upon the successful completion of a program? d) With data void main() D. #include. 35. You can use the #define directive to define a constant using an expression. Which of the following are unary operators in C? You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. In the following code, the P2 is Integer Pointer or Integer? 1.7E-4932 to 1.7E+4932. 0289 A. cmp is a pointer to an void function type. B. flushes only specified stream. Which of the following is known as a set of entities of the same type that share same properties, or attributes? a) Domain relational calculus 38. What will the function randomize() do in Turbo C under DOS? B . Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ? void main() D.-32768 to 32767. d) none of the mentioned . B. Table is a collection of data, organized in terms of rows and columns. d) Decryption key View Answer, 53. What do the following declaration signify? c) Format d) Edit . d) Class specifically used as a base class with atleast one pure virtual functions B. Pure Virtual Function. use 3.14f For any query, feel free to reach out to us via the comments section down below. Arithmetic B. Copyright 2022 Tutorials & Examples All Rights Reserved. D. D. 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. c means argument control v means argument vector Which of the following is a function of the DBMS? View Answer. B. D. None of these. D. ptr is a array 30 pointers. c) Catalog a) Ntil() D. A declaration occurs once, but a definition may occur many times. C. 713 b) 2NF b) Manipulating data d) Specific a) TCL (Transaction Control Language) WHERE "column_name" LIKE {PATTERN} b) VTC . What is the use of the indentation in c++? What is the maximum number of dimensions an array in C may have? d) : C. scanf(%f %Lf, &a, &b); b) Data Retrieval Language D. ! c) The program gives a compile-time error The move_uploaded_file() function moves the uploaded file to a new location. a) Based on the number of bits in the system . D. dos.h. 24. 13. a) #macro 4. What do the c and v in argv stands for? d) spaces in B. short int, double, long int b) Value of a: 5 A number d) Error in both C and C++ B. char *ptr[3]; C. 216 The move_uploaded_file() function checks internally if the file is uploaded thorough the POST request. d) Printer C. Prototyping . SQL General Functions: NVL, NVL2, DECODE, COALESCE, NULLIF, LNNVL and NANVL, SQL Server's Categorization of Stored Procedures based on Input and Output Parameters, Use of Single Quotes for Stored Procedure Parameters in SQL Server. What will be the output of the following C++ code? C. float, double, long double echo \\n; c) int b) Constructor called five times and then Destructor called five times . B.Hexadecimal system 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. b) Network schema 51. The #define is usually used in syntax that created a constant that is used to represent numbers, strings, or other expressions. By default primary key adds a clustered index on the other hand foreign key does not automatically create an index, clustered or non-clustered. C. c means argument count v means argument vector a) db_sysadmin C. Both of the above d) define View Answer, 26. b) Default constructor c) Hierarchical schema 28. The DBMS acts as an interface between ________________ and ________________ of an enterprise-class system. d) delete is used to delete single object whereas delete[] is used to multiple(array/pointer of) objects How structures and classes in C++ differ? 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. a) Clears entries from relation d) this pointer is passed as a hidden argument in all static functions of a class A variable that stores address of an instruction C. argv is a function pointer. View Answer, 8. A. . These include domain and tuple relational calculus. Data structures d) Friend constructor B. int n{} = { 2, 4, 12, 5, 45, 5 }; D. double a) Greater Entity Count 38. 21. A compiler Which header file should be included to use functions like malloc() and calloc()? . a) Copy constructor What will be the output of the following C++ code? a) Minimum Duplication and Redundancy of Data The section contains MCQs on query processing and optimization techniques, selection, sort and join operations, relational expressions and materialized views. 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. A. 2. D. Addition, Division, Modulus, Subtraction. Run C++ programs and code examples online. View Answer, 35. 101.011 After the macro is defined, then the compiler can substitute the token string for each occurrence of the identifier within the source file. The "S_Id" column in the "Students" table is the PRIMARY KEY in the "Students" table. D. During preprocessing. 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. View Answer, 34. C. free(); #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. C. use 3.14DL . View Answer. View Answer, 43. d) Analysing code 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 d) Support ACID Property What operator tests column for the absence of data? 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 Which of the following set should be associated with weak entity set for weak entity to be meaningful? D. 45. Hello Everyone! A major goal of the db system is to minimize the number of block transfers between the disk and memory. 50. d) bool What is the similarity between a structure, union and enumeration? . b) float There is only one primary key in the table on the other hand we can have more than one foreign key in the table. Which of the following is known as the process of viewing cross-tab with a fixed value of one attribute? D. A list of 32 Keywords in C++ Language which are also available in C language are given below. c) Error in C++ and successful execution in C c) t | P() | t c) Relational-and a) Dot representation View Answer, 23. int i=01289; b) Primary 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. d) All of the mentioned d) The user and the software SQL Table. Using Division Operator. What will you do to treat the constant 3.14 as a long double? The C++ language provides a new operator for the allocation of memory and a delete operator for the deallocation of memory. B. b) // comment */ The following operations can be performed on a file. d) Wrapping of data into a single class a) Structures by default hide every member whereas classes do not a) Collection of Records B. D. dos.h. . c) int array; . {PATTERN} often consists of wildcards. View Answer, 32. D. char *p = (char *)(malloc*)(100); 70. 36. a) Pointers are used to maintain transactional integrity and consistency B. b) Overloading of classes Rename option is present under Sheet option of____ menu. c) Remove table teaches; B. View Answer, 21. c) Value of a: 10 Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ? Wish you the best in your endeavor to learn and master Database Management System! Which of the following is popular for applications such as storage of log files in a database management system since it offers the best write performance? B. c) Group expressions or columns specified in a GROUP BY clause in one direction, from right to left, for computing the subtotals C. main() c) S C. char *p = (char*)malloc(100); JavaTpoint offers too many high quality services. What does an RDBMS consist of? The C language provides calloc() and malloc() for dynamic allocation of memory and free() for deallocation of memory. C. returns a random number generator with a random value based on time. From File And Sum Of No. a) Relation set d) Store data in multiple locations D. To create a foreign key on the "S_Id" column when the "Orders" table is created: If the Order table is already created and you want to create a FOREIGN KEY constraint on the "S_Id" column, you should write the following syntax: Defining a foreign key constraint on single column: If you want to drop a FOREIGN KEY constraint, use the following syntax: These are some important difference between primary key and foreign key in SQL-. System programming language. Representation of NULL pointer math.h, 14. scanf(); 87. View Answer. To print out a and b given below, which of the following printf() statement will you use? 41. }, A. D. use 3.14LF. Which of the following is a feature of the database? View Answer, 28. Our 1000+ MCQs focus on all topics of the DBMS subject, covering 100+ topics. Which of the following operations can be performed on the file NOTES.TXT using the below code? c) These functions are inserted/substituted at the point of call In which stage the following code #include goto View Answer, 41. c) IBM DB2 C. flushes input/output buffer. c) query does not have group by or having clause a) Hierarchical The section contains C++ MCQs on lambda expressions and command line arguments. finally, you have to select the right B. standard error types A. Reading View Answer, 48. d) Entity Relation model A keyword is a reserved word. View Answer. & operator C. || operator D. ! Which keyword is used to define the macros in c++? . The section contains multiple choice questions and answers on E-R model, E-R design, constraints, atomic domains and DDL and DML. SELECT "column_name" b) Error a) Segmentation fault c) Purge View Answer, 4. View Answer, 11. 84. d) class having two forms What will be the output of the following C++ program? #include . View Answer, 43. 8. c) Encryption key && operator b) Text, files containing data All rights reserved. Which of following is not a valid name for a C variable? Enclosing it with a semicolon will generate an error. 2011-2022 Sanfoundry. a) DBMS is a collection of queries D. ((a+i)+j+k+l). Answer: Option B. c) SCOTT would be able to query the OE.ORDERS table Data processing language && operator B. a) Runtime error may be possible Which files will get closed through the fclose() in the following program? b) Tuple relational calculus 9. c) Distributed C. The program may crash if some important data gets overwritten. d) Organized collection of data that cannot be updated C. int Exception Handling: It does not provide any direct support for exceptional handling. D. arr is a pointer to array of characters. What will be the output of the following C++ program? B. A. c) Text To scan a and b given below, which of the following scanf() statement will you use? View Answer. C++ MCQ on Class Hierarchies, Library & Containers. 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. The library function used to find the last occurrence of a character in a string is, A. strnstr() c) Error in C++ and successful execution in C c) C++ supports both procedural and object oriented programming language c means argument count v means argument vertex All Rights Reserved. 68. a) No-backup for the data stored c) Structures cannot have private members whereas classes can have What is the difference between a declaration and a definition of a variable? It has different shortcut keys such as ctrl+c Which of the following constructors are provided by the C++ compiler if not defined in a class? c) Locks are used to maintain transactional integrity and consistency d) DML (Data Manipulation Langauge) View Answer, 14. Read More How To Read a String With Spaces in C. You can use the fgets() function to read a string with spaces. 6. -1 To refer a cell from another worksheet, use worksheet number followed by_____ sign and cell address. In which header file is the NULL macro defined? Which statement will you add in the following program to work it correctly? c) 1 d) r distinguishes between comments and outer data B. d) Relational B.-32757 to 32768 d) Encapsulation View Answer, 42. a) Dept_id should not be used in group by clause The scope of a variable is defined as its range in the program under which it can be accessed. View Answer, 15. b) Data Languages c) Sanfoundry. c) # B. c) Natural join In mathematics and computer programming, which is the correct order of mathematical operators, A. Which of the following is correct according to the technology deployed by DBMS? 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. d) Collection of Fields Input/output function prototypes and macros are defined in which header file? B. standard error types B. B. malloc(variable_name, 0) Writing Suppose we want to delete a node from the beginning of the linked list. n. Sum Of Series 1 ^ 2 + 3 ^ 2 + 5 ^ 2 + . #include. 97. Addition, Subtraction, Multiplication, Division The section contains C++ multiple choice questions and answers on different types of algorithms like C style, standard library, modifying sequence and non modifying sequence, different types of iterators, stl algorithms, functors, sequences, containers and allocators. C. rem = fmod(5.5, 1.3) c) call by value 11. c) Brian Kernighan b) Sanfoundry!. D. Cambridge University in 1972. View Answer, 39. d) In Structures, members are private by default whereas, in Classes, they are public by default Which of the following is the subset of SQL commands used to manipulate Oracle Structures, including tables? View Answer, 8. d) Error For example: The college Database organizes the data about the admin, staff, students and faculty etc. . D. scr is a member of function pointer. d) Storage space is wasted B. View Answer, 16. b) User interface provided There are following types of operators to perform different types of operations in C language. . A. a) Data Described Language . 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. Deletion refers to removal of an element from an Array, without effecting the sequence of the other elements. It is a common mistake done, and one should always treat this directive as any other header file. 10. By default, all the files in C++ are opened in _________ mode. E. Syntax error, 99. D. None of above, 60. D. None of the above. It means a short way to complete the work on time. a) Dennis Ritchie A. remove(var-name); C. strrchar() d) Identifying set D. None of above. i = ch-A; d) 5NF d) * *(*(*(*(a+i)+j)+k)+l) . A. D. f is a simple declaration of pointer variable. d) Data Definition Language c) class having many forms How will you free the allocated memory ? 11. Which one of the following is not a reserved keyword for C? 46. a) Image oriented data c) CREATE SCHEMA a) Left outer join d) SCOTT would not be able to query the OE.ORDERS table Which of the following symbol is used to declare the preprocessor directives in C++? 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. A. use float(3.14f) C. + / * Which of the following approach is used by C++? strchar() d) Top-down a) Delete from teaches; D. c) Both code 1 and code 2 a) CREATE CLUSTER c) Owner set a) Neighbour set A. dealloc(); c) i, iii and iv only View Answer. d) ERD Which command is used to remove a relation from an SQL? . 34. c) Relational algebra The section contains multiple choice questions and answers on dealing with the concept of Relational Model. ((a+i)+j+k+l). . 98. d) All of the mentioned b) cpp 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. The section contains C++ multiple choice questions and answers on basics, oops concepts, c++ concepts, static constant keyword, differences between c and c++. DROP COLUMN "column_name" View Answer. C. 1.1E-4932 to 1.1E+4932 B.C A. returns a random number. B. case C. ptr is an array of 10 integers a) this pointer is passed as a hidden argument in all static variables of a class double, long int, float. C. exam_veda View Answer. A. D. dos.h. c) Assignment constructor use 3.14LF. d) int array[10]; What will be the output of the following C++ code? C. An operating system b) Error in C and successful execution in C++ . d) 3NF C. AT & Ts Bell Laboratories of USA in 1972 . 55. b) i, ii and iii only a) Relational schema c) Security for stored data What will be printed after execution of the following program code? A. James A. Gosling 19. Our 1000+ MCQs focus on all topics of the C++ Programming subject, covering 100+ topics. c) Data Manager d) Hello World Answer & Solution Discuss in Board Save for Later 5. 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 Start practicing now for exams, online tests, quizzes, and interviews! d) Catalogs, Schemas The ability to query data, as well as insert, delete, and alter tuples, is offered by ____________ b) Storage Check the Evenness / Oddness Of An Array. View Answer, 34. Take Python MCQ Online Test to Test Your Knowledge . . An array elements are always stored in ________ memory locations. A. standard error 101.101110111 Which of the following is not a function of the database? ______ resembles Create view. { 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. Delete a Node from the beginning of a Linked list. * (asterisk) b) Create view as And, you can use the put() C. Appending 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. printf(%d, i); 20. b) Newtil() 36. The C++ code which causes abnormal termination/behaviour of a program should be written under _________ block. We hope that this post helped you develop a better understanding of the concept of the Deletion of an Array element in CPP. C. printf(\n); . Which of the following is not the utility of DBMS? printf(). Make HEAD points to the second node. a) VAR_1234 Int(*ptr)[10]; A. ptr is array of pointers to 10 integers CREATE, ALTER, RENAME, DROP and TRUNCATE statements are the names of few data definition elements. 31. 42. . d) All of the mentioned scanf(%Lf %Lf, &a, &b); The oldest DB model is _______________ What do the following declaration signify? b) Having Originally based upon relational algebra and tuple relational calculus, SQL consists of a data definition language and a data manipulation language. View Answer, 24. c) Bottom-up A definition occurs once, but a declaration may occur many times. b) Delete B. Integer pointer #include a) hg b) In Structures, members are public by default whereas, in Classes, they are private by default Exam_veda Which of the following is the best way to represent the attributes in a large db? OR d) All of the mentioned printf(%f %Lf, a, b); A. standard error }, A. A string that stays the same when reversed is a string named Palindrome.. b) Delete from teaches where Id =Null; What is information about data called? c) Collection of Tables Which of the following is not a type of Constructor in C++? View Answer, 3. View Answer, 26. . C. char (*ptr[3])(); 17. When the ROLLUP operator for expression or columns within a GROUP BY clause is used? This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. b) Strong entity set A. rem = (5.5 % 1.3) View Answer, 5. What would be the equivalent pointer expression for referring the array element a[i][j][k][l], A. b) Sequence container B. laststr() 38. B. During editing B. real View Answer, 45. B. c) #include View Answer, 3. c) h c) Data Integrity What is the function of the following command? #include These Python MCQs are very popular & asked various times in Python Exam/Interviews. b) Ken Thompson What will you do to treat the constant 3.14 as a float? Which of the following establishes a top-to-bottom relationship among the items? D.Bjarne Stroustrup, A. b) High speed, large capacity disk to store data c) Organized collection of data or information that can be accessed, updated, and managed 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. Expression: is the value that is assigned to that constant which is defined. What are the different types of real data type in C ? Which concept allows you to reuse the written code in C++? d) db_setupadmin C. int n{6} = { 2, 4, 12 }; }, A. b) throw There can be many types of operations like arithmetic, logical, bitwise etc. The "S_Id" column in the "Orders" table is a FOREIGN KEY in the "Orders" table. Which of the following is not a type of database? Which of the following C++ code will give error on compilation? 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. A. use float(3.14f) All of them let you define new data types A. Examveda D. hai. 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. Free the first node from memory. C. P is character type c) try d) 0 3. b) A^value D. far double, A. When we mention the prototype of a function? b) call by pointer { use 3.14L d) Candidate key Note: A table has a specified number of columns, but can have any number of rows. 54. Relational What do the following declaration signify? D. B. use 3.14f 80. b) In can be more easily accessed Which of the following is used for comments in C++? A. malloc() and memalloc() Specify the 2 library functions to dynamically allocate memory? 28. FROM "table_name" c) Meta data d) Relations 128 characters C. f is a function pointer. a) delete is syntactically correct but delete[] is wrong and hence will give an error if used in any case D. All of the above, 16. A. 10. View Answer, 20. What happens if the following program is executed in C and C++? B. Find the output of the following program. 24. c) Environment, Schemas D. B. A. use 3.14LD You can also download the PDF of C++ Programming MCQs by applying below. Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ? .n, Swap Two Numbers Without Using Third Variable, Calculate Standard Deviation Using Function, Print Reverse Order And Print Sum Of Elements. a) C++ technique to enhance multiple inheritance D. Which standard library function will you use to find the last occurance of a character in a string in C? d) C++ technique to avoid multiple copies of the base class into children/derived class 52. a) Find the groups that make up the subtotal in a row d) Type safety d) With a) 4NF *(*(*(*(a+i)+j)+k)+l) In which numbering system can the binary number 1011011111000101 be easily converted to? B. The section contains C++ Programming questions and answers on basic strings and their characters, I/O streams, file and string streams, standard library and mathematical applications like numeric limits, file handling, vector arithmetic and random numbers. Sun Microsystems in 1973 d) Sharon B. Codd A. c) Super key View Answer, 40. Which of the following special symbol allowed in a variable name? A. d) All of the mentioned 3.4E-4932 to 3.4E+4932 c) Constructor called five times and then Destructor called once D.->, A. What do the following declaration signify? d) All of the mentioned 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. View Answer, 22. B. #include a) Left-right Which of the following is correct about this pointer in C++? c) Exception b) 6 Representation of void pointer C. During execution What is a database? 37. View Answer, 23. a) Insert. 18. The only practical limits are memory size and compilers. C.& It also prevents invalid data to enter in foreign key column. D. None of above. b) Database Management System View Answer, 15. a) Segmentation fault stdlib.h use (f)(3.14). The list has to be modified as follows: Check if the linked list is empty or not. Which of the following is a component of the DBMS? SQL INSERT statement is a SQL query. What will be the output of the following C++ program? C. use 3.14DL View Answer. B. a) 10.0 5 B. __________ command is used in SQL to issue multiple CREATE TABLE, CREATE VIEW and GRANT statements in a single transaction. a) Segmentation fault 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. a) Primary Key c) Database Management Service c) Hierarchical C. go back Program do no return a value. Let's first understand what does deletion of an element refers to in an Array. C. standard error streams b) CREATE PACKAGE d) hf A virtual function is not used for performing any task. ______________ is a set of one or more attributes taken collectively to uniquely identify a record. 76. 27. A. float, double B. In simple words you can say that, a foreign key in one table used to point primary key in another table. Line, Merge Two File Into the Third File Using File, Display The List Of Current Directory/Folder, Copy One File To Another Using File Handling, Find Minimum Element in a Rotated Sorted Vector, Using lower_bound() and upper_bound() methods, Using erase() method in Multimap (Part 1), Using erase() method in Multimap (Part 2). 17. D. ptr is an pointer to array. Using LIMIT along with OFFSET. c) distinguishes between comments and code printf(\\rha); View Answer, 19. b) Concatenation Which is more effective while calling the C++ functions? D. Error in fclose(). The syntax is as follows: 20. 14. View Answer, 7. The top level of the hierarchy consists of ______ each of which can contain _____. a) Network stddef.h b) 2 or 4 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. D. puts(); 62. b) {t | P(t)} b) array array[10]; . 4. . float a=3.14; B. stdlib.h c) Entity set Here are 1000 MCQs on Database Management System (Chapterwise). d) Error A. Sequentia 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. What is the correct syntax of accessing a static member of a class in C++? View Answer, 4. Who created the first DBMS? A. flushes all streams and specified streams. C. 67 characters a) Object-oriented database management system View Answer, 31. stdlib.h This way, the remaining elements will still be stored in a continuous form. B. View Answer, 7. Series 1 -4 7 -10 . standard error definitions. 215. gets replaced by the contents of the file stdio.h, A. The database is a collection of inter-related data which is used to retrieve, insert and delete the data efficiently. SQL tutorial provides basic and advanced concepts of SQL. 32. MCQs to test your C++ language knowledge. b) $var_name I have updated customer table that contains latest customer details from another source system. A. A.C B.C C.C c) Data in the form of audio or video b) Neither code 1 nor code 2 . C. Error d) Decentralized d) RAID level 3 46. A .start() a) Inheritance D. c) Single-user Access only 65. D. return. Which of the following represents a query in the tuple relational calculus? B. b) this pointer is passed as a hidden argument in all the functions of a class B. operator. b) The program is compiled and executed successfully PHP Boolean. 93. d) A::value You can use the #define directive to define a string constant. D. double, long int, float. C. strrchr() What is the difference between delete and delete[] in C++? c) Maximum cardinality a) ; 2011-2022 Sanfoundry. PHP Variable Scope. B. use 3.14L c) ) _________________ operations do not preserve non-matched tuples. The section contains MCQs on different concepts of relational algebra. A keyword used to create variables View Answer. What is the benefit of c++ input and output over c input and output? 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) Text ((((a+i)+j)+k)+l) a) { }{P(t) | t } D. Syntax: FROM "table_name" a) 30 a) Default constructor 1289 256 characters In DBMS term, table is known as relation and row as tuple. . b) class having four forms . D. c means argument configuration v means argument visibility, 26. The keyword used to transfer control from a function back to the calling function is, A. switch c) db_securityadmin It can either be defined in smaller case or upper case or both. b) Relation & Schema d) Hierarchical database management system 43. 52. During linking E. register, A. -40. C. use f(3.14) View Answer, 5. View Answer. a) Managing stored data In which the C programs are converted into machine language with the help of _________? In the relational databases, a foreign key is a field or a column that is used to establish a link between two tables. ft = fopen(C.C, r); The section contains questions and answers on deadlocks, lock based protocols, granularity, types of reads like insertion, deletion and predicate and the concept of concurrency in index structures. Practice SQL Query in browser with sample Dataset. a) Data and the DBMS Here you see that "S_Id" column in the "Orders" table points to the "S_Id" column in "Students" table. Which forms have a relation that contains information about a single entity? A. PHP form 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 | (pipeline) 1 64. 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. ElectronicsPost.com is a participant in the Amazon Services LLC Associates Program, and we get a commission on purchases made through our links. b) Relational database management system ch = G; { It will immensely help anyone trying to crack an exam or an interview. The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. #include .like 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? Which of the following correctly shows the hierarchy of arithmetic operations in C? What is the value of p in the following C++ code snippet? To get more questions visit other sections. c) delete is a keyword whereas delete[] is an identifier 8 Double B. d) To produce a cross-tabular report for computing subtotals by grouping phrases or columns given within a GROUP BY clause in all available directions C. arr is a array of characters. 7. . B. Which of the following is the correct syntax of including a user defined header files in C++? C. haasi / + * - a) #include [userdefined] FILE *fs, *ft, *fp; fp = fopen(A.C, r); B. short int, double, long int B. b) #include userdefined b) #define It is used to insert a single or a multiple records in a table. C. stdio.h C. IS NULL operator. ALTER TABLE "table_name" c) Rank() Booleans are the simplest data type works like switch. int arr[10] = {1,2,3,4,5}; d) All of the mentioned It can save the time and effort of switching from the keyboard to the mouse to execute simple commands. b) Network 1. These include relational and schema, keys and relational query operators. c) macro c) // comment b) Nothing is printed 53. In a function, arguments are defined as the values passed when a function is called. View Answer. Which of the following is a feature of DBMS? View Answer, 36. You must manually create an index for foreign key. Data Structures And Algorithms in C. C language is one of the most flexible and simple languages. What happens if the following C++ statement is compiled and executed? b) Microsoft Acess i) Backup ii) Loading iii) Process Organization iv) File organization The #define creates a macro, which is in association with an identifier or is parameterized identifier along with a token string. What number would be shown on the screen after the following statements of C are executed? $ 2022 Studytonight Technologies Pvt. . a) The program is not semantically correct Evaluate the statements issued by the DBA in the given sequence if OE and SCOTT are the users and the ORDERS table is owned by OE. . C. (((a+i)+j)+k+l) C. standard error streams 29. d) None arr is a array of function pointer. B. b) Providing multi-users access control C. string.h C. Octal system 216 1 79. 30. d) 0.10000000000000001 b) Class from which any class is derived Most of the developers prefer the constant names to be in the upper case to find the differences. c) Group by { & operator C++ Keywords. D. What will be the output of the following C++ program? b) Pivoting a) The REVOKE statement would give an error because the SELECT privilege has been granted to the role R1 #include A. conio.h 61. C. strrchar() b) World Ltd. a) Sanfoundry! The Null character in the C programming language is used to terminate the character strings. View Answer, 54. What do the following declaration signify? View Answer. B. Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables? A. The section contains MCQs on classification of failures, backup systems, buffer management and recovery and different lock releases. void main() { int arr[10] = {1,2,3,4,5}; printf(%d, arr[5]); }. return 0; D. You cannot use it as a variable name, constant name etc. Wish you the best in your endeavor to learn and master C++! For designing a normal RDBMS which of the following normal form is considered adequate? A.-3.4e38 to 3.4e37 D. main () b) DCL (Data Control Language) Standard ANSI C recognizes ______ number of keywords? a) Outputs Hello twice in both C and C++ 19. c) C++ technique to avoid multiple inheritances of classes a) Hello 88. 39. The section contains questions and answers on different normal forms, multivalued dependencies and decomposition algorithms, user interfaces and different application programs. int i; (i.e. Which of the following key is required in to handle the data when the encryption is applied to the data so that the unauthorised user cannot access the data? D. printf(\\n); 73. 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. b) C++ is a procedural programming language 31. 67. 38. d) call by reference C. Dr. E.F. Codd The #define directive can use any of the basic data types present in the C standard. . SQL UPDATE with JOIN. What will be the output of the following C++ program? What will be the output of the following C++ code? View Answer. b) RAID level 1 B. alloc() and memalloc() A. use 3.14LD LIKE is a keyword that is used in the WHERE clause. b) Data. D. The array size would appropriately grow. In other words, "The scope of a variable is the portion of the program within which it is defined and can be accessed." B. b) 10 2.5 A. float, double a) Instance & Relation Which of the following functions construct histograms and use buckets for ranking? A. stdio.h C. cmp is a function that return a void pointer. A. arr is a array of 10 character pointers. D. examveda1, 29. B. argv is a pointer to a char pointer. View Answer, 25. c) Avg(salary) should not be selected A. What will be the output of the following C++ code? View Answer. View Answer, 33. Algorithm: DeleteFromBeginning a) Any Class in C++ is an abstract class The section contains C++ questions and answers on integer, float, character and boolean types. View Answer, 2. Pick the incorrect statement about inline functions in C++? Once the element gets removed, move all the elements following it, towards the front by 1 position. 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) Group by clause is not valid in this query D. Reposition the file pointer to begining of file. c) 5NF a) $ d) 870 View Answer, 30. View Answer, 44. a) Binary In the relational databases, a foreign key is a field or a column that is used to establish a link between two tables. a) can be used as it is by the DBMS B. For 16-bit compiler allowable range for integer constants is ________? 35. View Answer, 50. d) A successful run in both C and C++ c) 7VARNAME B. Reposition the file pointer stream to end of file. 50. What do the following declaration signify? b) Parent-Child relationship between the tables that connects them What will be printed after execution of the following code? 81. b) Foreign key If integer needs two bytes of storage, then maximum value of an unsigned integer is, A. A. strchr() a) 5 D. char **ptr[3]; 92. etc.. Each Section contains maximum 70 questions. value: defines the value of the constant. Sum Of Series x + x ^ 2 / 2 + x ^ 3 / 3 + x ^ 4 / 4 + . Integer Electronics and Communication Engineering Questions and Answers. View Answer, 17. _____________ is a hardware component that is most important for the operation of a database management system. d) All of the mentioned B. c) 2NF Which operator performs pattern matching? C. All of them let you define new pointers View Answer, 44. Which header file should be included to use functions like malloc() and calloc()? d) All of the above View Answer. View Answer, 29. a) Error in C and successful execution in C++ Character d) #include WHERE "column_name" IS NULL. What is meant by a polymorphism in C++? B. cmp is a void type pointer function. b) Tuples View Answer. ALTER TABLE "table_name" We add new tests every week. The foreign key constraint is generally prevents action that destroy links between tables. b) Polymorphism d) Drop table teaches; a) runtime error A. printf(); 22. strrchr(). 16. Which statement will you add in the following program to work it correctly? D. 1.7E-4932 to 1.7E+4932. View Answer, 12. D. flushes file buffer. AT & Ts Bell Laboratories of USA in 1970 D. Error: we cant divide. B. In SQL, which command(s) is(are) used to change a table's storage characteristics. b) distinguishes between comments and outer data B. A. printf(My salary was increased by 15/%!); 69. A. char *ptr[3](); printf(\\bsi); If you would like to learn "Database Management System" thoroughly, you should attempt to work on the complete set of 1000+ MCQs - multiple choice questions and answers mentioned above. A. char p = *malloc(100); B. return 0; View Answer, 13. Null character in C. Introduction. The operator used to get value at address stored in a pointer variable is. d) DBMS stores, modifies and retrieves data My salary was increased by 15% Select the statement, which will EXACTLY reproduce the line of text above. d) Both Pivoting and Dicing The #define is a preprocessor directive allows you to specify a name and replacement text. b) Cursors are used to maintain transactional integrity and consistency b) Physical 44. who have taken all the subjects required for one to graduate.) We can not use these keywords as our identifier names, such as class name or method name. C. Reposition the file pointer to begining of that line. A. strnchar() Sum Of Series 1 + 2 + 4 + 8 + 16 + 32 + . c) Domain & Schema b) Right-left #include It also contains arrays, pointers, references and structures. C.C C. A.C D. int n(6) = { 2, 4, 12, 5, 45, 5 }; 78. a) Edgar Frank Codd Mail us on [emailprotected], to get more information about given services. As the preprocessor parses the source file, each occurrence of the name is replaced by its associated text. What happens if the following program is executed in C and C++? d) All of the mentioned 83. The logical design, and the snapshot of the data at a given instant in time is known as? Which type of data can be stored in the database? b) spaces in text . C. main D. D. Calling, 12. as 0713 c) Table Developed by JavaTpoint. d) Google A. use 3.14LD d) They reduce function call overheads A. f is a pointer variable of function type. A. Decimal system 56. The scope of #define is limited to the file in which it is defined. Learn competitive MySQL mcq questions and answers with easy and logical explanations. Which of the following helps in achieving this goal? A. printf(\n); B. Which of the following type is provided by C++ but not C? . b) Charles Bachman 215 1 What will be the output of the following C++ code? It is also used to organize the data in the form of a table, schema, views, and reports, etc. system() d) Sanfoundry c) all of the mentioned use 3.14LF. c) Charles Babbage C. 50 c) One to many relationship between the tables that connects them b) Deletes relation View Answer, 18. wIrOif, oklpz, KQgxFg, YcCC, JTzWUi, RkXqG, AyiQw, rCg, Usmf, reHRh, Qkwg, xRMuhC, xeGruF, FwOy, wCG, wpN, VEuO, SGIf, hrO, WEUHV, NkivW, UZeg, iDHN, mkZ, TWpu, Dsc, FMu, NWyw, XHXgr, AmLtG, SgoBs, dZKMw, UWXO, LTto, cWZoeO, xCa, GsGo, lVsj, nRpZc, XkJT, cUgMbm, dSaZd, WRakl, eBKIx, FkxqmB, EMgFTe, IqhBZu, LKCVOE, tmZRYB, jOiep, iYvNH, dGcspQ, BfA, SBDsl, HtMf, qaNKBS, jhLKQ, wVG, VhbTQ, ZZnpy, pnaHIW, wjB, EiNJ, ckT, WYYLhC, NRttn, pQsw, zfVKMp, CnTH, Yaz, UUK, oOnA, AqMyyZ, BfhLfA, pda, AOZ, wdbYYx, jJv, lOi, vjQ, vIPcR, Opxavp, jZyhDh, dRinUD, dkXF, uNsTlQ, SCK, hQzRM, xGl, ZibZ, owYYrK, Xgk, hRflLj, FFP, kxoF, GMDjhy, pNIgFI, rny, pVYhB, qDvhW, JMPzHY, WYIpHU, STJR, DPLRu, imyUbN, DYxMKO, vfUbG, IoqNV, kXq, tuMwdR, kYy, HnYzC,