SQLServer根據表名獲取主鍵名（經驗證）

SELECT syscolumns.name FROM syscolumns,sysobjects,sysindexes,sysindexkeys WHERE syscolumns.id = object_id('表名') AND sysobjects.xtype = 'PK' AND sysobjects.parent_obj = syscolumns.id AND sysindexes.id

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