Question Detail

Which among following SQL commands is used to add a row

UPDATE
TRUNCATE
INSERT
ADD

Answer: Option C

Similar Questions :

1. Two basic types of record access methods are

sequential and random
direct and immediate
sequential and indexed
online and real time

Answer: Option A

2. Transaction processing was made possible by the development of

direct access storage
magnetic tape
cash register input
minicomputers

Answer: Option A

3. 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

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. 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

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