B. Alter Table XYZ Read only
D. Alter Table XYZ Rename to ABC
F. ALTER TABLE employees ADD CONSTRAINT emp_pk PRIMARY KEY (employee_id);
-----
E. You cant drop all columns from table with Drop. you can drop multiple.
A voting comment increases the vote count for the chosen answer by one.
Upvoting a comment with a selected answer will also increase the vote count towards that answer by one.
So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
ArslanAltaf
1 week, 1 day agobillysunday1
2 months, 1 week ago