mssql2005表和字段名 标识 注释等详细信息

是基于别人的 mssql2000数据库改的.因为升级到2005以后,有些表结构改了.

SELECT
    (CASE WHEN a.colorder=1 THEN d.name ELSE '' END) N'表名',
    (CASE WHEN a.colorder=1 THEN d.crdate ELSE '' END) N'创建时间',
    a.colorder N'字段序号',
    a.name N'字段名',
    (CASE WHEN COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 THEN '√'ELSE '' END) N'标识',
    (CASE WHEN (SELECT COUNT(*)
    FROM sysobjects
    WHERE (name in
               (SELECT name
              FROM sysindexes
              WHERE (id = a.id) AND (indid in
                        (SELECT indid
                       FROM sysindexkeys
                       WHERE (id = a.id) AND (colid in
                                 (SELECT colid
                                FROM syscolumns
                                WHERE (id = a.id) AND (name = a.name))))))) AND
            (xtype = 'PK'))>0 THEN '√' ELSE '' END) N'主键',
    b.name N'类型',
    a.length N'占用字节数',
    COLUMNPROPERTY(a.id,a.name,'PRECISION') AS N'长度',
    ISNULL(COLUMNPROPERTY(a.id,a.name,'Scale'),0) AS N'小数位数',
    (CASE WHEN a.isnullable=1 THEN '√'ELSE '' END) N'允许空',
    ISNULL(e.text,'') N'默认值',
    ISNULL(g.[value],'') AS N'字段说明'
   
    FROM syscolumns a --取得列名
    LEFT JOIN systypes b on a.xtype=b.xusertype --取得类型
    INNER JOIN sysobjects d on a.id=d.id AND d.xtype='U' AND d.name<>'dtproperties' --取得表名
    LEFT JOIN syscomments e on a.cdefault=e.id --默认值表
    LEFT JOIN sys.extended_properties g on a.id=g.major_id AND a.colid=g.minor_id   --字段说明
    --WHERE
    --d.name = @TableName --要查询的表
    ORDER BY
    object_name(a.id), a.colorder