oracle語句startwithconnectbyprior效率怎么樣？查看當(dāng)前用戶的缺省表空間 SQL>select username，default_tablespace from user

oracle語句startwithconnectbyprior效率怎么樣？

查看當(dāng)前用戶的缺省表空間 SQL>select username，default_tablespace from user_users 查看當(dāng)前用戶的角色 SQL>select * from user_role_privs 查看當(dāng)前用戶的系統(tǒng)權(quán)限和表級(jí)權(quán)限 SQL>select * from user_sys_privs SQL>select * from user_tab_privs

oraclestartwithconnectby怎么轉(zhuǎn)換到mysql中？

在Oracle中sql代碼如下編寫selecto.orgidfromt_organizationoconnectbyprioro.orgid=o.orgparentidstartwitho.orgid=#{params.swjgDm}那么在MySQL數(shù)據(jù)庫中需要改為如下方式selecto.orgidfromt_organizationowhere(o.ORGPARENTIDSLIKEconcat("%/"，#{params.swjgDm}，"/%")oro.ORGID=#{params.swjgDm})ando.AVAILABLE="1"

oracle start with connect by怎么轉(zhuǎn)換到mysql中？

在Oracle中sql代碼如下編寫select o.orgid from t_organization oconnect by prior o.orgid = o.orgparentidstart with o.orgid = #{params.swjgDm}那么在MySQL數(shù)據(jù)庫中需要改為如下方式select o.orgid from t_organization o where(o.ORGPARENTIDS LIKE concat("%/"，#{params.swjgDm}，"/%")or o.ORGID =#{params.swjgDm}) and o.AVAILABLE ="1"