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  • 查询表结构详细信息

    --快速查看表结构
    SELECT  CASE WHEN col.colorder = 1 THEN obj.name
                      ELSE ''
                 END AS 表名,
            col.colorder AS 序号 ,
            col.name AS 列名 ,
            ISNULL(ep.[value], '') AS 列说明 ,
            t.name AS 数据类型 ,
            col.length AS 长度 ,
            ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), 0) AS 小数位数 ,
            CASE WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') = 1 THEN '1'
                 ELSE ''
            END AS 标识 ,
            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 主键 ,
            CASE WHEN col.isnullable = 1 THEN '1'
                 ELSE ''
            END AS 允许空 ,
            ISNULL(comm.text, '') AS 默认值
    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 = 'BASE_ATTRIBUTE_CATEGORY'--表名
    ORDER BY col.colorder ;
    
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  • 原文地址:https://www.cnblogs.com/qisong/p/14676649.html
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