Q22.You are administering a multitenant container database (CDB) that contains multiple pluggable databases(PDBs). RMAN is connected to CDB$ROOT.Examine the command:RMAN>LIST FAILURE;Which statement i ...

Q283.Which four are true about performance-related Oracle tools? A. Database Replay always uses one replay client for each original database session B. The Active Session History (ASH) report is base ...

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Choose two In the PROMOTIONS table, the PROMO_BEGTN_DATE column is of data type DATE and the default date format is DD-MON-RR. Which two statements are true about expressions using PROMO_BEGIN_DATE co ...

scan全程为simple client access name的缩写,这个功能是在Oracle 11gR2版本才有的。 scan的作用 这个功能的作用是：在服务器端和客户端之间增加了一层虚拟接口，原本客户端的tnsnames中为了实现负载均衡，需要同时 ...

Opatch 是oracle公司开发的安装，卸载，检测patch冲突的工具，管理oracle所有已经安装的补丁！ opatch命令格式为： opatch < command > [< command_options >] [ -h[elp] ] 查看帮助: oracle@BSR>$ORACLE_HOME/OPa ...

在2.5版本里,添加springmvc配置文件时,报错 cvc-complex-type.2.4.a: Invalid content was found starting with element(servlet) 解决方法: 将“http://www.springmodules.org/schema/cache/springmodules-cache. ...