Question Detail

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

Similar Questions :

1. Related fields in a data base are grouped to form

data file
data record
menu
bank

Answer: Option B

2. 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

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. 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

5. 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

Read more from - Database Question Answers - Chapter 1