Computer Science - Database Systems - Discussion

Discussion Forum : Database Systems - Section 2 (Q.No. 3)
3.
In SQL, which command is used to add a column/integrity constraint to a table
ADD COLUMN
INSERT COLUMN
MODIFY TABLE
ALTER TABLE
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Nilesh said:   6 years ago
The ALTER TABLE statement is used to add, delete, or modify columns in an existing table.

The ALTER TABLE statement is also used to add and drop various constraints on an existing table.

Sam. said:   8 years ago
Alter table command is used for drop the table, but here answer taken drop table it's not possible so change it option as soon as possible.

Post your comments here:

Your comments will be displayed after verification.