標籤:實用技能分享之恢複oracle被覆蓋的預存程序在編寫或者修改預存程序的時候,很容易遇到一個不小心點一下運行,後面的代碼覆蓋了之前的預存程序。怎麼恢複呢,最快捷便利的方法,flash query!1.把時間戳記改到覆蓋之前create table huifu_procedure as select * from dba_source as of timestamp TO_TIMESTAMP(‘2014-11-26 14:00:00‘, ‘YYYY-MM-DD HH24:MI:SS‘)
標籤:sql調優集************************************************************1.建立調優集對象************************************************************---授權grant ADMINISTER ANY SQL TUNING SET to scott;---刪除存在的STSBEGIN DBMS_SQLTUNE.DROP_SQLSET( sqlset_name =&
標籤:A permanent tablespace contains persistent schema objects. Objects in permanent tablespaces are stored in data files.An undo tablespace is a type of permanent tablespace used by Oracle Database to manage undo data if you
標籤:1.Overview of the Automatic Workload RepositoryThe Automatic Workload Repository (AWR) collects, processes, and maintains performance statistics for problem detection and self-tuning purposes. This data is both in memory and stored in the
標籤:BIGFILE | SMALLFILEUse this clause to determine whether the tablespace is a bigfile or smallfile tablespace. This clause overrides any default tablespace type setting for the database.A bigfile tablespace contains only one data file or