摘要:
V$SYSMETRIC_HISTORY 的时间错乱.起初用了下 select end_time, value from sys.v_$sysmetric_history where metric_name = 'Database CPU Time Ratio' order by 1; 想查看下CPU时间比率,却发现 END_TIME VALUE -------------------- -----... 阅读全文
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Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--情况描述: 今天更改一个生产上的用户密码 Alter user XXX identified by password; 相应的也在应用层做了更改,配置文件,report平台等等之类的相关地方都做了测试. ... 阅读全文
摘要:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--SELECTround(bitand(s.ownerid,65535))parent_session_sid,round(bitand(s.ownerid,16711680)/65536)parent_s... 阅读全文
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TEST_SQLCode highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/----先创建测试库test_tmp--根据现有的表创建两张表SELECTTOP100*INTOtest_tab1FROMmistest_09428.dbo.squarer;SELECTTOP... 阅读全文