IT Officer Quiz (DBMS)

1. A deadlock exists in the system if and only if the wait-for graph contains a ___________.

2. Referential integrity controls relationships between :

3. Before any changes to database structure are attempted one should first:

4. What is true about 4 NF ?

5. The overall design of a database is called?

6. 2 NF is based on the concept of

7. What is true about Growing phase ?

8. What is true about Shrinking phase ?


9. In SQl, which command(s) is/are used to enable/disable a database trigger

10. A computer file contains several records. What does each record contains?


                                       

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