Question Detail

File record length

should always be fixed
should always be variable
should be chosen to match the data character
depends upon the size of file

Answer: Option D

Similar Questions :

1. Which is not a logical database structure

Chain
Tree
Relational
Network

Answer: Option A

2. Fragmentation of a file system

Can always be prevented
occurs only is file is not used properly
Can be temporarily removed by compaction
None of above

Answer: Option C

3. Attribute of one table matching to the primary key of other table, is called as

foreign key
secondary key
candidate key
composite key

Answer: Option A

4. Administrative supervision of database activities is responsibility of

Database administrator
DP Manager
DB Manager
None of above

Answer: Option A

5. Which normal form is considered adequate for normal relational database design

2NF
5NF
3NF
4NF

Answer: Option C

Read more from - Database Question Answers - Chapter 1