The correct command to purge all the values in the relation named TEACHES is:

b. DELETE FROM TEACHES;

This command will delete all the records from the table named TEACHES. It does not delete the table itself, just its contents.

Option a. REMOVE TABLE TEACHES; is incorrect because REMOVE is not a valid SQL command.

Option c. DROP TABLE TEACHES; is incorrect because this command would delete the entire table, not just its contents.

Option d. DELETE FROM TEACHES WHERE ID =’NULL’; is incorrect because this would only delete records where the ID is NULL, not all records.

Option e. None of the answers are correct; is incorrect because option b is the correct answer.

Question

The correct command to purge all the values in the relation named TEACHES is:

b. DELETE FROM TEACHES;

This command will delete all the records from the table named TEACHES. It does not delete the table itself, just its contents.

Option a. REMOVE TABLE TEACHES; is incorrect because REMOVE is not a valid SQL command.

Option c. DROP TABLE TEACHES; is incorrect because this command would delete the entire table, not just its contents.

Option d. DELETE FROM TEACHES WHERE ID =’NULL’; is incorrect because this would only delete records where the ID is NULL, not all records.

Option e. None of the answers are correct; is incorrect because option b is the correct answer.

Knowee AI · Accepted Answer

The correct command to purge all the values in the relation named TEACHES is:

b. DELETE FROM TEACHES;

This command will delete all the records from the table named TEACHES. It does not delete the table itself, just its contents.

Option a. REMOVE TABLE TEACHES; is incorrect because REMOVE is not a valid SQL command.

Option c. DROP TABLE TEACHES; is incorrect because this command would delete the entire table, not just its contents.

Option d. DELETE FROM TEACHES WHERE ID =’NULL’; is incorrect because this would only delete records where the ID is NULL, not all records.

Option e. None of the answers are correct; is incorrect because option b is the correct answer.

____________ is the command to purge (get rid of) all the values in the relation named TEACHES.a.REMOVE TABLE TEACHES;b.DELETE FROM TEACHES;c.DROP TABLE TEACHES;d.DELETE FROM TEACHES WHERE ID =’NULL’;e.None of the answers are correct