问题:
The EMP table exists in your schema. You want to execute the following query:
SELECT ename, sal
FROM emp
AS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL '6' MINUTE)
WHERE ename = 'ALLEN';
What are the minimum requirements for the statement to execute successfully? ()
A . ARCHIVELOG mode must be enabled
B . Row Movement must be enabled for the table
C . FLASHBACK must be set to ON for the database
D . The UNDO_MANAGEMENT parameter must be set to AUTO
E . The UNDO_RETENTION parameter must be set appropriately
The EMP table exists in your schema. You want to execute the following query:
SELECT ename, sal
FROM emp
AS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL '6' MINUTE)
WHERE ename = 'ALLEN';
What are the minimum requirements for the statement to execute successfully? ()
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