DBMS Quiz2

The full form of DBMS is ______.

A table is also known as a (a)   in a relational database.

In SQL, the command used to retrieve data from a table is (a)   .

A (a)   uniquely identifies each record in a table.

DDL stands for ______.

The (a)   constraint ensures that a column cannot have NULL values.

SQL stands for ______.

The command to remove a table completely from the database is (a)   .

The smallest unit of data in a table is called a (a)   .

The property of a transaction that ensures changes are saved permanently is (a)   .