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46题、choose two Examine this command: SQL> ALTER SYSTEM SET ENABLE_DDL_LOGGING=TRUE; Which two statements are true? A) All DDL statements are logged in 阅读全文
posted @ 2019-05-30 17:00
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45题、choose three Which three statements are true about the purpose of checkpoints? A) They ensure that instance recovery starts in the event of an ins 阅读全文
posted @ 2019-05-30 13:30
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44题、choose three Which three statements are true about a job chain? A) It can be executed using time-based schedules. B) It cannot invoke the same pro 阅读全文
posted @ 2019-05-30 10:32
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