Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（） encrypted data。 compressed data。 archive data。 multiplexed data stream。
You work as a database administrator for Supportcenter.cn. You received the following error while working on your database： ORA-01555： snapshot too old ，In which situation would you receive such an error？（） You performed rollback after commit.。 If a log switch occurs in your database.。 Thearchiverfails to generate an archived log file.。 Instance recovery fails to find one of the redo log files.。 A long-running query is unable to get read-consistent image.。 If you perform manual undo management operations in auto mode.。
目前已被主要发达国家作为差额结算制度共同的最低标准，广泛应用于差额资金结算风险管理的是（） 《巴塞尔协议》。 E条例。 Lamfalussy标准。 《电子资金划拨法》。
单位工程完工验收的成果是“单位工程验收鉴定书”。鉴定书原件不少于5份，暂由（）保存，待竣工验收后，分送有关单位。 施工单位。 监理单位。 验收委员会。 项目法人。
Which of the following IBM System Storage products supports a maximum of 64 GB of cache in astandard dual controller configuration?（） XIV 。 N3600 。 DS8100 。 DS5300。
Which of the following advisors is run in every maintenance window by the auto-task system?（）
