DBMS general quiz 3

General Quiz in DBMS - TRUE / FALSE questions

1. Triggers can operate on insertion, deletion, and updates.

TRUE
FALSE

2. A user application executes a database Trigger by invoking “RUN TRIGGER triggername”.

TRUE
FALSE

3. Secondary storage is volatile.

TRUE
FALSE

4. Seek time is part of the disk latency time. case, while "bag semantics" requires additional work.

TRUE
FALSE

5. When an index is clustered it requires that the data records are sorted in the search key order of the index.

TRUE
FALSE

6. B+ trees can include duplicate keys.

TRUE
FALSE

7. When a sparse index is used, each record must have an entry in the index.

TRUE
FALSE

8. In fixed-length records, a character field of type CHAR is NOT allowed.

TRUE
FALSE

9. Spanned records refer to records that are longer than blocks and therefore are broken into fragments.

TRUE
FALSE

10. In SQL, without GROUP BY, we cannot use HAVING.

TRUE
FALSE

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