SQLServer中查詢表結構（表主鍵 、列說明、列數據類型、全部表名）的Sql語句

SQLServer中查詢表結構（表主鍵 、列說明、列數據類型、全部表名）的Sql語句

 

一、查詢數據庫中的全部表名稱：

SELECT name FROM SysObjects Where XType='U' ORDER BY Name

結果：

 

二、查詢數據庫中指定表的表結構：

--快速查看錶結構
SELECT  CASE WHEN col.colorder = 1 THEN obj.name
                  ELSE ''
             END AS 表名,
        col.colorder AS 序號 ,
        col.name AS 列名 ,
        ISNULL(ep.[value], '') AS 列說明 ,
        t.name AS 數據類型 ,
        col.length AS 長度 ,
        ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), 0) AS 小數位數 ,
        CASE WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') = 1 THEN '1'
             ELSE ''
        END AS 標識 ,
        CASE WHEN EXISTS ( SELECT   1
                           FROM     dbo.sysindexes si
                                    INNER JOIN dbo.sysindexkeys sik ON si.id = sik.id
                                                              AND si.indid = sik.indid
                                    INNER JOIN dbo.syscolumns sc ON sc.id = sik.id
                                                              AND sc.colid = sik.colid
                                    INNER JOIN dbo.sysobjects so ON so.name = si.name
                                                              AND so.xtype = 'PK'
                           WHERE    sc.id = col.id
                                    AND sc.colid = col.colid ) THEN '1'
             ELSE ''
        END AS 主鍵 ,
        CASE WHEN col.isnullable = 1 THEN '1'
             ELSE ''
        END AS 容許空 ,
        ISNULL(comm.text, '') AS 默認值
FROM    dbo.syscolumns col
        LEFT  JOIN dbo.systypes t ON col.xtype = t.xusertype
        inner JOIN dbo.sysobjects obj ON col.id = obj.id
                                         AND obj.xtype = 'U'
                                         AND obj.status >= 0
        LEFT  JOIN dbo.syscomments comm ON col.cdefault = comm.id
        LEFT  JOIN sys.extended_properties ep ON col.id = ep.major_id
                                                      AND col.colid = ep.minor_id
                                                      AND ep.name = 'MS_Description'
        LEFT  JOIN sys.extended_properties epTwo ON obj.id = epTwo.major_id
                                                         AND epTwo.minor_id = 0
                                                         AND epTwo.name = 'MS_Description'
WHERE   obj.name = 'PkAutoInc'--表名
ORDER BY col.colorder ;

結果：