Computer Science - Database Systems - Discussion

Discussion Forum : Database Systems - Section 2 (Q.No. 12)
12.
Which command(s) is(are) used to redefine a column of the table in SQL ?
ALTER TABLE
DEFINE TABLE
MODIFY TABLE
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Maunank Shah (MONTS) said:   1 decade ago
ALTER TABLE is used to change Table Structure.

To Re Define Column Name :

ALTER TABLE <Table_Name> ALTER COLUMN <Column_Name> <DataType>.

Here, Just type New DataType That you want to Change.

Warning: Data May be lost if un-compatible size.

Post your comments here:

Your comments will be displayed after verification.