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
Discussion:
2 comments Page 1 of 1.
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.
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.
The ALTER TABLE statement is also used to add and drop various constraints on an existing table.
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