Database Management Quiz 4

1. A top to bottom relationship among the items in a database is established by a ______?

Correct! Wrong!

2. Aggregation is a special form of _______?

Correct! Wrong!

3. In E-R Diagram, _________ represents Key Attribute.

Correct! Wrong!

4. Which TCL command is used to permanently save any transaction into database?

Correct! Wrong!

5. Which TCL command restores the database to last committed state?

Correct! Wrong!

6. _______ is used to control privilege in Database.

Correct! Wrong!

7. Which model remains operative until the software is required?

Correct! Wrong!

8. In oracle, which tablespace is the minimum required when creating a database?

Correct! Wrong!

9. Which of the following is another name for weak entity?

Correct! Wrong!

ODBC is based on ________

Correct! Wrong!

OLAP stands for_____?

Correct! Wrong!

12. The _____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.

Correct! Wrong!

13. ________is the multiplication of all the values in the attributes.

Correct! Wrong!

14. Which command is used to remove a relation from an SQL database?

Correct! Wrong!

15. In SQL, the spaces at the end of the string are removed by _______ function.

Correct! Wrong!

16. ________ is used to save permanently any transaction into database.

Correct! Wrong!

17. A unit of storage that can store one or more records in a hash file organization is denoted as_______?

Correct! Wrong!

18. Which of the following operator used for appending two strings?

Correct! Wrong!

19. The management information system (MIS) structure with one main computer system is called a________?

Correct! Wrong!

20. The highest level in the hierarchy of data organization is called________?

Correct! Wrong!

Database Management Quiz Set 4
Results
Below 12 is not good, 13-16 need some improvement, 16+ excellent

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