Question Detail

The command that adds a new field to an active database is

MODIFY LABEL
MODIFY COMMAND
MODIFY STRUCTURE
MODIFY REPORT

Answer: Option C

Similar Questions :

1. 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

2. Physical location of a record in database is determined with the help of

B tree file
Indexed file
Hashed file
sequential file

Answer: Option C

3. Which command is used to set a link between two database files

JOIN
UPDATE
BROWSE
SET RELATION

Answer: Option D

4. 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

5. Allocation map

Used to store program data
specifies which blocks are used by which file
is updated by application programs
allow programs to erase files

Answer: Option B

Read more from - Database Question Answers - Chapter 1