Oracle 查看新系统的event

刚接管的新系统，想查看是否设置了某些事件，方法如下。

**APPLIES TO:**Oracle Database - Enterprise Edition - Version 7.1.2.0 to 12.2.0.1 [Release 7.1.2 to 12.2]Information in this document applies to any platform.**GOAL：**There are times when we need to disable or list out the existing oracle diagnostics events set on existing application or any existing Session. This note lists out a worked out example of how to capture existing session or system level diagnostics event set and how to disable them later on after verifying them.

$sqlplus / as sysdbaSQL*Plus: Release 11.2.0.4.0 Production on Sat Feb 16 15:25:43 2019Copyright (c) 1982, 2013, Oracle.  All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsSYS@orcl> oradebug setmypidStatement processed.SYS@orcl> oradebug eventdump systemStatement processed.SYS@orcl> alter system set events='10231 trace name context forever,level 10';System altered.SYS@orcl> oradebug eventdump system 10231 trace name context forever,level 10SYS@orcl> alter system set events='10231 trace name context off';System altered.SYS@orcl> oradebug eventdump systemStatement processed.SYS@orcl> SYS@orcl> alter session set events='10231 trace name context forever,level 10';Session altered.SYS@orcl> oradebug eventdump session10231 trace name context forever,level 10SYS@orcl> alter session set events='10231 trace name context off';Session altered.SYS@orcl> oradebug eventdump sessionStatement processed.SYS@orcl>