Oracle命中率查询
--数据高速缓存区命中率 --计算公式:1-(physical reads / (db block gets + consistent gets)) --命中率应大于0.90最好 select name,value from v$sysstat where name in...
日常工作操作SQL语句记录
查看数据库文件select name from v$datafile;-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------查看某一个用户下的相关信息select table_name from dba_tables where owner='user';--------------------------------------------------------------------------------------------------------------------------------------------------------------