Question Detail

Ascending order of data hierarchy is

bit->byte->record->field->file->database
bit->byte->field->record->file->database
byte->bit->field->record->file->database
byte->bit->field->file->record->database

Answer: Option B

Similar Questions :

1. 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

2. Data management system may be implemented as

system software
application software
computer program
all of above

Answer: Option D

3. Database management systems are used to

eliminate data redundancy
establish relationships among records in different files
manage file access
none of above

Answer: Option A

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. Data dictionary tell DBMS

what files are in the database
what attributes are processed by data
what these files contain
all of above

Answer: Option D

Read more from - Database Question Answers - Chapter 1