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use [Northwind]
GO
DENY SELECT ON [dbo].[syscolumns] TO [public]
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REVOKE SELECT--ÒÆ³ý

SQL code:
use ÄãµÄ¿âÃû
go

--ÐÂÔöÓû§
exec sp_addlogin 'test' --Ìí¼ÓµÇ¼
exec sp_grantdbaccess N'test' --ʹÆä³ÉΪµ±Ç°Êý¾Ý¿âµÄºÏ·¨Óû§
exec sp_addrolemember N'db_owner', N'test' --ÊÚÓè¶Ô×Ô¼ºÊý¾Ý¿âµÄËùÓÐȨÏÞ

--ÕâÑù´´½¨µÄÓû§¾ÍÖ»ÄÜ·ÃÎÊ×Ô¼ºµÄÊý¾Ý¿â,¼°Êý¾Ý¿âÖаüº¬ÁËguestÓû§µÄ¹«¹²±í
go

--ɾ³ý²âÊÔÓû§
exec sp_revokedbaccess N'test' --ÒÆ³ý¶ÔÊý¾Ý¿âµÄ·ÃÎÊȨÏÞ
exec sp_droplogin N'test' --ɾ³ýµÇ¼


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