SQL stands for

(a)

Standard Query Language

(b)

Secondary Query Language

(c)

Structural Query Language

(d)

Standard Question Language

TCL stands for

(a)

Transmission Control Language

(b)

Transfer Communication Language

(c)

Transaction Communication Language

(d)

Transaction control Language

The SQL DDL command removes all records from a table and also release the space occupied by these records is

(a)

Delete

(b)

Truncate

(c)

Rollback

(d)

Drop

Which of the following commands are used to manage the changes made to the data in table by DML statements?

(a)

TCL

(b)

DML

(c)

DDL

(d)

DLL

Double data type precision may exceed

(a)

64

(b)

74

(c)

54

(d)

14