ocp考试资料群：569933648 验证码：ocp OCP 12c 19c考试题库解析与资料群：钉钉群号：35277291
全部博文（487）
发布时间：2019-08-02 13:10:49
A)When DBWn writes dirty buffers.C)When a checkpoint occurs.E)When PMON restarts a serve process.赵：AB=>ADLGWR 进程将日志缓冲区的日志信息写入联机日志文件，触发的 5 个条件：1.用户发出 commit,rollback 语句。二、每隔 3 秒钟。(3 秒)四、日志信息数量达到 1MB。(1M).........【阅读全文】
发布时间：2019-08-02 11:35:57
A)AWR data can be retained for a month.C)Automatic AWR snapshots can be written once per hour.E)Automatic AWR snapshots can be written once every 6 hoursAnswer: ACEF......【阅读全文】
发布时间：2019-08-01 10:37:12
A)They are always created automatically.C)They are generated If statistics_level is set to basic.E)They are always retained forever.G)They are generated if statistics_level Is set to all.赵：......【阅读全文】
发布时间：2019-08-01 09:25:11
A)They are stored in the SYSAUX tablespace.C)They can be retained forever.E)They are not generated if STATISTICS_LEVEL is set to TYPICAL.......【阅读全文】
发布时间：2019-07-31 11:10:01
A)AWR data is stored in the SYSTEM tablespace.C)It is the foundation for the self-managing infrastructure.E)Its collection level is determined by the value of the STATISTICS_LEVEL database parameter.Answer: BCE......【阅读全文】
