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Oracle dba培训、OCP、OCM、MYSAL认证,可以找我们,cuug专业做这些







发布时间:2018-07-10 13:50:16

5、Which two affect the time taken for instance recovery?A) size of redo logsB) size of UNDO tablespaceC) FAST_START_MTTR_TARGET valueD) size of archivelogsE) size of existing RMAN backupsetsF) UNDO_RETENTION valueAnswer:AC......【阅读全文】

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发布时间:2018-07-09 14:54:29

4、For which requirement should you configure shared servers?A) accommodating an increasing number of users who run short-duration, infrequent queries in an OLTP environment with limited memoryB) accommodating an increasing number of users who run analytical queries in a DSS environment .........【阅读全文】

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发布时间:2018-07-09 12:04:04

3、Which structure can span multiple data files?A) a permanent tablespaceB) a bigfile tablespaceC) a temporary tablespaceD) a segmentE) an extentAnswer:ACD......【阅读全文】

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发布时间:2018-07-09 11:16:29

2、Which two are true about Optimizer Statistics?? A) They do not persist across Instance restarts.? B) They are automatically updated when DDL statements execute.? C) They are gathered by the Manageability Monitor (MMON) background process.? D) They can be gathered by executing th.........【阅读全文】

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发布时间:2018-07-05 14:02:00

1、.Which two are true about the Archive (ARCn) processes?? A) They automatically delete obsolete archive logs to makespace for new archive logs.? B) They are used during Instance recovery.? C) They archive redo directly from the redo log buffer.? D) They are enabled only when the database .........【阅读全文】

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