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Attributes can be added to an existing relation in SQL by using the command
- Alter
- Modify
- Tailor
- Ammend
A SQL command that deletes all tuples of the relation along with its schema is called
- Drop command
- Delete command
- Eliminate command
- Abort command
In SQL, the most drastic option used for a delete operation is
- Eliminate command
- Delete command
- Drop command
- Abort command
Correct SQL command to drop some relation from the database is
- Drop about *example*
- Drop from *example*
- Delete from *example*
- Delete about *example*
A SQL command through which the structure of a relation is retained but may delete all of its tuples is called
- Abort command
- Eliminate command
- Delete command
- Drop command
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