標籤:oracleOracle Study之--查看Oracle 版本運算字長(32/64位)方法一、採用sqlplus查看64位:[[email protected] ~]$ sqlplus ‘/as sysdba‘SQL*Plus: Release 11.2.0.3.0 Production on Wed Jun 24 14:14:10 2015Copyright (c) 1982, 2011, Oracle. All rights
標籤:http://blog.itpub.net/27157/viewspace-425567/初始化相關參數job_queue_processesalter system set job_queue_processes=39 scope=spfile;//最大值不能超過1000 ;job_queue_interval = 10 //調度作業重新整理頻率秒為單位 job_queue_process 表示oracle能夠並發的job的數量,可以通過語句 show parameter
標籤:oracle 11gOracle study之--“ORA-00845: MEMORY_TARGET not supported on this system"錯誤系統內容: 作業系統:RedHat EL6(64) Oracle: Oracle 11g R2 故障案例:在Oracle 11gR2下調整記憶體參數:memory_targetSQL> show parameter
標籤:PL/SQL登入很短時間session就自動斷開1.首先查看你這個使用者的profile檔案select profile from dba_users where username=‘USERNAME‘;2.查看一下profile檔案中的idle_time設定select * from dba_profiles where profile=‘PROFILENAME‘;3.如果第二步尋找的idle_time值很小,修改為UNLIMITED不限制alter profile
標籤:select * from emp; create synonym emp_ny for emp; create public synonym pub_emp_ny for employees;--建立公有同義字 DROP SYNONYM EMP_NY;--刪除同義字 DROP PUBLIC SYNONYM PUB_EMP_NY;--刪除公有同義字 查看已有同義字 SELECT * FROM SYS.ALL_SYNONYMS WHERE
標籤:LAG is an analytic function. It provides access to more than one row of a table at the same time without a self join. Given a series of rows returned from a query and a position of the cursor, LAG provides access to a row at a