• Sql快速查看表结构


    Sql数据库使用语句快速查看表结构

    --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 ''  
                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 ''  
                 ELSE ''  
            END AS 主键 ,  
            CASE WHEN col.isnullable = 1 THEN ''  
                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 like '%e%' --表名  
    ORDER BY col.colorder ;  
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  • 原文地址:https://www.cnblogs.com/Trafalgar/p/5659950.html
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