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select a.uid as uid,a.status as uStatus,a.name as uName,
  b.uid as rId,b.status as rStatus,b.name as rName
from sysusers a inner join sysusers b on a.gid = b.uid
where a.issqlrole = 0 and a.isapprole = 0 and a.hasdbaccess = 1 and (b.issqlrole = 1 or b.isapprole = 1)
--Óû§ÔÚÊý¾Ý¿âÖеÄÊÚȨÐÅÏ¢
select b.id,b.name as tName,b.type,a.uid,c.name as uName,a.action,a.protecttype,a.columns
from sysprotects a inner join sysobjects b on a.id = b.id
 inner join sysusers c on a.uid = c.uid


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MySQL 5.5 m2 VS MS Sql Server 2000 SE BenchMark

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SQL Server£º²é¿´Êý¾Ý¿âÓû§È¨ÏÞ£¨SQL 2005£©

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use yourdb
go
select DbRole = g.name, MemberName = u.name, MemberSID = u.sid
from sys.database_principals u, sys.database_principals g, sys.database_role_members m
where g.principal_id = m.role_principal_id
and u.principal_id = m.member_principal_id
......
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