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176¡¢Evaluate the SQL statement:

TRUNCATE TABLE DEPT;

Which three are true about the SQL statement? (Choose three.)

A. It releases the storage space used by the table.

B. It does not release the storage space used by the table.

C. You can roll back the deletion of rows after the statement executes.

D. You can NOT roll back the deletion of rows after the statement executes.

E. An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.

F. You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

Answer: A,D,F

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It is a DDL statement and cannot be rolled back DÕýÈ·£¬C´íÎó

A TRUNCATE statement also specifies whether space currently allocated for the table is returned to the containing tablespace after truncation. AÕýÈ·¡£B´íÎó

You can truncate any table or cluster in your own schema. Any user who has the DROP ANY TABLE system privilege can truncate a table or cluster in any schema. FÕýÈ·¡£