数据库版本 是RAC SQL> select * from v$version ; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - ...
数据库版本 是RAC SQL> select * from v$version ; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - ...
Required competencies and technical skills: 1. Comprehensive understanding of Oracle database concepts and hands-on experience as a DBA (5+ years industry experience on very large Oracle database per ...
刚刚创建好的数据库 SQL> startup ORACLE 例程已经启动。 Total System Global Area 2137886720 bytes Fixed Size 2177456 bytes Variable Size 1241515600 bytes Database Buffers ...
oracle dba月薪如何突破2w?
我用metalink 登进去找 11.2.0.4 linux 86 的补丁 可是我找到391个,但是第一页只显示100,我找不到向后翻页的按钮 以前10都没超过100个,我下下来都很方便,现在100往后,我没法翻页过去下载了 另外再问个弱智的 ...
Database is getting high waits on buffer busy waits. Here is an example period where 5 sessions are completely blocked on buffer busy waits for 4 minutes: select to_char(min(sample_time),'HH ...
实验1: session1在scott下执行了一条select语句select * from dba_objects; 已经赋予scott dba的权限 session2在sys用户下 SQL> select sid,username,SQL_ID,sql_hash_value from v$session where username'SYS' a ...
Disk file operations I/O这个等待事件相关的资料很少,查到一些英文的解释。 This event is used to wait for disk file operations (for example, open, close, seek, and resize). It is also used for miscellan ...