单项选择题
A.Set the constraint to deferred before starting the transaction.
B.Alter the constraint to NOVALIDATE state before starting the transaction.
C.Enable the resumable mode for the session before starting the transaction.
D.Set the COMMIT_WAIT parameter to FORCE_WAIT for the session before starting the transaction.
多项选择题 You execute this command to drop the ITEM table, which has the primary key referred in the ORDERtable: SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE; Which two statements are true about the effect of the command()
多项选择题 WhichthreedescriptionsarecorrectabouttheeffectsoftheTRUNCATEcommandonatable()
单项选择题 Which statement is true about the PCTFREE setting for the table()