sqlServer 为表字段添加说明
EXECUTE sp_addextendedproperty N\'MS_Description\', \'创建时间\', N\'user\', N\'dbo\', N\'table\', N\'Sys_User\', N\'column\', N\'CreateDate\' EXEC sp_updateextendedproperty \'MS_Description\',\'创建时间\',\'user\',dbo,\'table\',\'Sys_User\',\'column\',N\'CreateDate\'