修改awr生成报告时间间隔和保存时间时报错,由默认的每小时生成,保存8天修改为每半个小时生成一次,保存5天: SQL, retention); , retention); END; * ERROR at line : ORA: system moving window baseline size () ORA: at "SYS.DBMS_WORKLOAD_REPOSITORY", line ORA: at "SYS.DBMS_WORKLOAD_REPOSITORY"…

修改awr生成报告时间间隔和保存时间时报错,由默认的每小时生成,保存8天修改为每半个小时生成一次,保存5天: SQL> exec dbms_workload_repository.modify_snapshot_settings(interval=>30, retention=>5*24*60); BEGIN dbms_workload_repository.modify_snapshot_settings(interval=>30, retention=>5*24*60);…

bug信息 tensorflow.python.framework.errors_impl.InvalidArgumentError: Invalid JPEG data or crop window, data size 32768 2 [[Node: DecodeJpeg_1 = DecodeJpeg[acceptable_fraction=1, channels=3, dct_method="", fancy_upscaling=true, ratio=1, try_recove…

悬浮窗能显示在其他应用上方.桌面系统例如Windows,macOS,Ubuntu,打开的程序能以窗口形式显示在屏幕上. 受限于屏幕大小,安卓系统中主要使用多任务切换的方式和分屏的方式.视频播放,视频对话可能会采用悬浮窗功能(例如手Q,微信的视频通话).应用留下一个视频(通话)窗口,用户可以返回安卓桌面,或者去其他app的界面操作. 前面我们探讨了悬浮activity的实现方式,并结合CameraX预览来实现应用内摄像头预览悬浮Activity.这些是在app内实现的悬浮activity效果. 本…

 ORACLE 11G 怎样改动 awr 的保留期限小于8天 Oracle Database 11g 默认具备一个系统定义的Moving Window Baseline,该基线相应于 AWR 保留期中的全部 AWR 数据. 仅可存在一个Moving Window Baseline. 系统定义的Moving Window Baseline认大小为当前的AWR保留期,即默觉得八天. 假设要增大Moving Window Baseline,首先须要对应增大AWR保留期. AWR保留期和系统定义的M…

200.Which operation requires that you create an auxiliary instance manually before executing the operation? (Choose all that apply.) A. Backup-based database duplication. B. Active database duplication. C. Tablespace point-in-time recovery. D. No ope…

Enhancements in AWR Baselines A baseline is any set of snapshots taken over a period of time. The snapshots are selected such that they yield a set of baselines that change during the period of time that you're collecting data. The baseline captures…

最近一直想用sql来生成oracle的健康检查报告,这样看起来一目了然,经过网上搜资料加自己整理终于算是成型了,部分结果如下图所示, 具体参考附件,恳请广大网友看看是否还有需要添加的地方. DB_healthcheck_by_lhr_ORADG11G_20150826160539.zip ORADG11G 数据库巡检报告 Copyright (c) 2015-2100 (http://blog.itpub.net/26736162) lhrbest. All rights reserved. 巡…

QUESTION 13 View the Exhibit.Examine the following command that is executed for the TRANSPORT table in the SH schema:SQL> SELECT DBMS_STATS.CREATE_EXTENDED_STATS('sh', 'customers_obe', '(country_id,cust_state_province)') FROM dual;Which statement des…

Administer ASM disk groupsBack up the recovery catalogConfigure backup settingsConfigure, Monitor Flashback Database and Perform Flashback Database operationsCreate a job, program, and scheduleCreate a multisection,compressed and encrypted backupCrea…