Sql Query : General Knowledge Questions & Answers
Question : The command used to delete a particular column in a relation is ____________
A.
UPDATE TABLE
B.
TRUNCATE COLUMN
C.
ALTER , DROP
D.
DELETE COLUMN
Correct Answer is : Option C.
- Which of the following operations requires the relations to be union compatible?
- The database language that allows us to access data in a database is called :
- Which of the following is a comparison operator in SQL?
- Which of the following is a legal expression in SQL?
- DCL provides commands to perform actions like