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  • oracle 常用SQL

    创建索引

    create index INDEX_FLOW_TRADENO on AC_T_FLOW (TRADE_NO)

    1 锁表

    select p.spid,c.object_name,b.session_id,b.oracle_username,b.os_user_name from v$process p,v$session a, v$locked_object b,all_objects c where p.addr=a.paddr and a.process=b.process and c.object_id=b.object_id ;

    分组

    select c.object_name,b.oracle_username,b.os_user_name from v$process p,v$session a, v$locked_object b,all_objects c where p.addr=a.paddr and a.process=b.process and c.object_id=b.object_id group by c.object_name,b.oracle_username,b.os_user_name ;

    2 连接数

     select count(*) from v$session;

     select username,count(username) from v$session where username is not null group by username;

    资源

    http://www.cnblogs.com/vipsoft/archive/2012/05/23/2514374.html

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  • 原文地址:https://www.cnblogs.com/adolfmc/p/4527124.html
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