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发布时间:2021-02-25 13:32:44
3、While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.Which two could improve read performance? (Choose two.)B. Disable FORCE LOGGING for the database.D. Enable asynchronous disk I/.........【阅读全文】
发布时间:2021-02-23 13:44:22
2、Choose three. In which three situations can you use threshold server-generated alerts to help diagnose and fix problems?B) when free space in a locally managed tablespace falls below a specified percentageD) when the number of logons per second exceeds a specific valueF) when the to.........【阅读全文】
发布时间:2021-02-23 10:51:35
1.Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.D. They are generated by SMON when a tablespace is 97% full.F. STATISTICS_LEVEL must be set to ALL to generate alerts..........【阅读全文】
发布时间:2021-02-22 16:13:22
You have been tasked to create a table for a banking application.Be stored in a format supporting date arithmetic without using conversion functionsBe used for calculating interest for the number of days the loan remains unpaidA. INTERVAL YEAR TO MONTHC. TIMESTAMP WITH LOCAL TIMEZO.........【阅读全文】
发布时间:2021-02-03 14:33:10
本套题库是OCP考试中的071(中文版)试题,由CUUG整理,如有报考OCP认证意向,可以联系cuug咨询老师。关于使用集合运算符(如UNION)的查询, 哪两项描述是正确的?B)在包含多个集合运算符的查询中, INTERSECT始终优先于UNION和UNION ALL。D)无论列是什么数据类型, 所有集合运算符均有效。.........【阅读全文】