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1. Which of the following Application of database________________?





ANSWER= D) All of these

 

2. ________is a collection of related information





ANSWER= B) Database

 

3. _________is a set of values for an attribute in that column





ANSWER= A) Domain

 

4. Collection of record is called as a____________.





ANSWER= D) Table

 

5. A software package used to manage the databases and run operations in the data is known as _________





ANSWER= A) Database Management System

 

6. An _________in DBMS is a real-world thing or a real-world object which is distinguishable from other objects in the real world.





ANSWER= B) Entity

 

7. ______ is a set of data values that are given to an entity.





ANSWER= D) Instance

 

8. An _______is a characteristic which represents the entity.





ANSWER= A) Attribute

 

9. A row of a table that represents a complete information about a particular entity is called as a ______________





ANSWER= A) Record

 

10. Which of the following not belongs to datatypes of DBMS?





ANSWER= D) Primary Key

 

11. The RDBMS terminology for a row is





ANSWER= A) Tuple

 

12. Which of the following is a valid SQL type?





ANSWER= D) All of these

 

13. ________is a repository of an organization’s electronically stored data.





ANSWER= A) Data warehouse

 

14. ___________are components of data ware house.





ANSWER= B) Reporting & Metadata

 

15. __________ is concerned with the analysis and picking out relevant information.





ANSWER= C) Data Mining

 

16. SQL stands for__________________.





ANSWER= A) Structured Query language

 

17. SQL statements should be terminated by a______________.





ANSWER= A) Semicolon

 

18. DDL stands for ______________





ANSWER= B) Data Definition Language

 

19. ___________command used crate a new table.





ANSWER= B) create

 

20. ___________command modifies an existing table.





ANSWER= A) Alter

 

21. _______________command is used to delete table content in SQL.





ANSWER= D) Delete

 

22. _____________command will create a record.





ANSWER= D) Insert

 

23. ___________command modifies the existing rows (records) in a table.





ANSWER= B) Update

 

24. ______ command is used for querying or retrieving data from a table in the database.





ANSWER= A) Select

 

25. DCL Stands for__________________.





ANSWER= D) Data Control Language

 

26. ________________takes back privileges granted from user.





ANSWER= B) REVOKE

 

27. TCL stands for________.





ANSWER= A) Transaction Control Language

 

28. ____________makes all the changes made by statements issued permanent.





ANSWER= D) COMMIT

 

29. _____________Undoes all changes since the beginning of a transaction or since a save point.





ANSWER= C) ROLLBACK

 

30. Which of the following constraints not available in SQL?





ANSWER= D) Condition key

 

31. ___________ constraints define a column or combination of columns which uniquely identifies each row in the table.





ANSWER= A) Primary key

 

32. ____________ constraints identify any column referencing the Primary Key in another table.





ANSWER= B) Foreign key

 

33. _________ constraints ensure that a column or a group of columns in each row have a distinct value.





ANSWER= D) Unique key

 

34. _________constraints define a business rule on a column. All the rows must satisfy this rule.





ANSWER= C) Check

 

35. The ___________ operator is used to checks the membership condition specified by the list of values.





ANSWER= A) BETWEEN

 

36. _________operator is used to output data which lies in a range of values.





ANSWER= B) IN

 

37. ____________________ are the logical operators of SQL.





ANSWER= D) All of these

 

38. RDBMS stands for





ANSWER= C) Relational Database Management System

 

39. ______is dummy table containing a single row and single column provided by SQL





ANSWER= C) DUAL

 

40. SQL Group Functions are





ANSWER= B) AVG, MIN, MAX, SUM and COUNT

2nd puc computer science chapter 13 mcq 2nd puc computer science chapter 13 mcq Reviewed by Vision Academy on March 06, 2023 Rating: 5

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