●sql语句-添加表和字段的说明

--添加表的说明
EXECUTE sys.sp_addextendedproperty N\'MS_Description\', \'表说明\', N\'user\', N\'dbo\',
    N\'table\', N\'表名\', NULL, NULL;

--删除表的说明
EXECUTE sys.sp_dropextendedproperty N\'MS_Description\', \'user\', \'dbo\', \'table\',
    \'表名\', NULL, NULL;

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--添加字段的说明
EXECUTE sys.sp_addextendedproperty N\'MS_Description\', \'用户名\', N\'user\', N\'dbo\',
    N\'table\', N\'t_User\', N\'column\', N\'U_Name\';

--删除字段说明
EXECUTE sys.sp_dropextendedproperty N\'MS_Description\', \'user\', \'dbo\', \'table\',
    \'表名\', \'column\', \'字段名\';

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