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Oracle 10g enqueue waits Enqueue Type Description enq: AD – allocate AU Synchronizes accesses to a specific OSM (Oracle Software Manager) disk AU enq: 阅读全文
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--##Window上归档日志删除脚本del_arch.bat ##计划任务中配置自动任务 --## del_arch.bat set ORACLE_SID=orcl rman target / cmdfile='D:\autojob\del_arch_src.sql' msglog='D:\aut 阅读全文
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1、Centos7.9 扩展逻辑卷 1.1、查看 df -h fdisk -l pvdisplay vgdisplay cat /etc/fstab [root@tcentos79 ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmp 阅读全文
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PLSQL Procedure Causing ORA-04030: (pga heap,control file i/o buffer) And ORA-04030: (koh-kghu sessi,pmuccst: adt/record) or ORA-04030: (koh-kghucall 阅读全文
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SYMPTOMS crsctl start crs CRS-4124: Oracle High Availability Services start failed CAUSE: Install of Clusterware fails while running root.sh on OL7 - 阅读全文
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Oracle Linux-Shell Script to Calculate Values Recommended Linux HugePages-HugeTLB Configuration_DocID401749.1 ######################################## 阅读全文
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Oracle触发器 1.概念 触发器在数据库里以独立的对象存储,它与存储过程和函数不同的是,存储过程与函数需要用户显示调用才执行,而触发器是由一个事件来启动运行。即触发器是当某个事件发生时自动地隐式运行。并且,触发器不能接收参数。所以运行触发器就叫触发或点火(firing)。ORACLE事件指的是对 阅读全文
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| Troubleshooting waits for 'enq: TX - allocate ITL entry' (Doc ID 1472175.1) | header | | | | | | | In this Document Symptoms Cause Solution Increase 阅读全文
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1、表闪回查询 select * from 表名 as of timestamp to_timestamp('2023-08-04 15:25:00', 'yyyy-mm-dd hh24:mi:ss'); 2、表闪回 (1)开启表闪回 alter table 表名 enable row moveme 阅读全文
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How to Reconfigure Oracle Restart (Doc ID 986740.1) In this Document Goal Solution 1. Remove Oracle Restart configuration 2. reconfigure Oracle Restar 阅读全文