It allow to enter a value in the foreign key field of a child table if that value exist in the primary key of the parent table
It does not allow to enter a value in the foreign key field of a child table if that value exist in the primary key of the parent table
It allow to enter a value in the Primary key field of a child table if that value exist in the Foreign key of the parent table
None of above
Text
Date & Time
Picture
all of these
Flat File System
Hierarchical DBMS
Relational DMBS
All of the Above
Many to Many
Many to Null
One to One
One to Many
Row
Record
Database
File