[转帖] Oracle 关闭自动收集统计信息
--关闭自动统计信息 https://blog.csdn.net/royzhang7/article/details/51172556 明天再仔细看一下.? select client_name,status from dba_autotask_client; ? auto optimizer stats collection?ENABLEsql tuning advisor?DISABLEDauto space advisor?DISABLEDSQL> exec DBMS_AUTO_TASK_ADMIN.DISABLE(client_name => ‘auto optimizer stats collection‘,operation => NULL,window_name => NULL);?PL/SQL procedure successfully completed?SQL>select client_name,status from dba_autotask_client;auto optimizer stats collection?DISABLEDsql tuning advisor?DISABLEDauto space advisor?DISABLED–删除收集信息EXEC DBMS_STATS.delete_database_stats; --删除数据库统计信息EXEC DBMS_STATS.delete_schema_stats(‘SCOTT‘); --删除用户的统计信息--逐个用户删除select ‘exec DBMS_STATS.delete_schema_stats(‘‘‘||username||‘‘‘‘||‘);‘ from dba_users where account_status=‘OPEN‘ and username not in (‘SYS‘,‘SYSTEM‘,‘DBSNMP‘)EXEC DBMS_STATS.delete_table_stats(‘SCOTT‘,‘EMPLOYEES‘); --删除表的统计信息EXEC DBMS_STATS.delete_index_stats(‘SCOTT‘,‘EMPLOYEES_PK‘); --删除索引统计信息 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |