1、查看数据库锁,诊断锁的来源及类型:select object_id,session_id,locked_mode from v$locked_object;或者用以下命令:select b.owner,b.object_name,l.session_id,l.locked_mode from v$locked_object l, dba_objects b where b.object_idl.object_id2…
而ORACLE的常见分析函数有三类:1。 OVER函数分析函数的语法为:Java代码FUNCTION_NAME(,。。。)OVER()例:sum(sal) over (partition by deptno order by ename) new_aliassum就是函数名(sal)是分析函数的参数,每个函数有0~3个参数,参数可以是表达式,例如:sum(salcomm…