enq: JI 等待事件
时间:2010-08-28 来源:brjl
oracle等待事件名称
SELECT * FROM V$EVENT_NAME;
enq: JI - contention |
Lock held during materialized view operations (such as refresh, alter) to prevent concurrent operations on the same materialized view |
当前版本是11g r2
SQL> select * from v$version;
BANNER
---------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
TNS for 32-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
SQL> SELECT * FROM V$EVENT_NAME where name like 'enq: JI%';
EVENT# 917
EVENT_ID 2959147725
NAME enq: JI - contention
PARAMETER1 name|mode
PARAMETER2 view object #
PARAMETER3 0
WAIT_CLASS_ID 1893977003
WAIT_CLASS# 0
WAIT_CLASS Other