MCQ of Database Management System with answer set-6

1. ............... joins are SQL server default

A) Outer

B) Inner

C) Equi

D) None of the above


2. The ..................... is essentially used to search for patterns in target string.

A) Like Predicate

B) Null Predicate

C) In Predicate

D) Out Predicate


3. Which of the following is/are the Database server functions?
i) Data management            ii) Transaction management
iii) Compile queries            iv) Query optimization

A) i, ii, and iv only

B) i, ii and iii only

C) ii, iii and iv only

D) All i, ii, iii, and iv


4. To delete a database ................... command is used

A) delete database database_name

B) Delete database_name

C) drop database database_name

D) drop database_name


5. .............. is a combination of two of more attributes used as a primary key

A) Composite Key

B) Alternate Key

C) Candidate Key

D) Foreign Key


6. Which of the following is not the function of client?

A) Compile queries

B) Query optimization

C) Receive queries

D) Result formatting and presentation


7. ............. is a special type of stored procedure that is automatically invoked whenever the data in the table is modified.

A) Procedure

B) Trigger

C) Curser

D) None of the above


8. ................. requires that data should be made available to only authorized users.

A) Data integrity

B) Privacy

C) Security

D) None of the above


9. Some of the utilities of DBMS are .............
i) Loading          ii) Backup               iii) File organization          iv) Process Organization

A) i, ii, and iv only

B) i, ii and iii only

C) ii, iii and iv only

D) All i, ii, iii, and iv


10. ................. allows individual row operation to be performed on a given result set or on the generated by a selected by a selected statement.

A) Procedure

B) Trigger

C) Curser

D) None of above

Answers:

1. B) Inner
2. A) Like Predicate
3. A) i, ii, and iv only
4. C) drop ....database_name
5. A) Composite Key
6. B) Query optimization
7. B) Trigger
8. C) Security
9. B) i, ii and iii only
10. C) Curser

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