用sql语句生成SQLserver(MSSQL)数据字典

--显示表结构sql语句SQL Server 2000----------------------1

SELECT
表名=case when a.colorder=1 then d.name else '' end,
表说明=case when a.colorder=1 then isnull(f.value,'') else '' end,
字段序号=a.colorder,
字段名=a.name,
标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,
主键=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and name in (
SELECT name FROM sysindexes WHERE indid in(
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid
))) then '√' else '' end,
类型=b.name,
占用字节数=a.length,
长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
允许空=case when a.isnullable=1 then '√'else '' end,
默认值=isnull(e.text,''),
字段说明=isnull(g.[value],'')
FROM syscolumns a
left join systypes b on a.xusertype=b.xusertype
inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
left join syscomments e on a.cdefault=e.id
left join sysproperties g on a.id=g.id and a.colid=g.smallid
left join sysproperties f on d.id=f.id and f.smallid=0
--where d.name='要查询的表' --如果只查询指定表,加上此条件
order by a.id,a.colorder

--SQL Server 2000----------------------2         

SELECT
          (case when a.colorder=1 then d.name else '' end)表名,
          a.colorder 字段序号,
          a.name 字段名,
          (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end)
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) 主键,
          b.name 类型,
          a.length 占用字节数,
          COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,
          isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,
          (case when a.isnullable=1 then '√'else '' end) 允许空,
          isnull(e.text,'') 默认值,
          isnull(g.[value],'') AS 字段说明
FROM     syscolumns     a left join systypes b
on     a.xtype=b.xusertype
inner join sysobjects d
on a.id=d.id     and     d.xtype='U' and     .name<>'dtproperties'
left join syscomments e
on a.cdefault=e.id
left join sysproperties g
on a.id=g.id AND a.colid = g.smallid
order by a.id,a.colorder

SQL Server 2005--------------------------------------------------------------------------------

SELECT
         (case when a.colorder=1 then d.name else '' end)表名,
         a.colorder 字段序号,
         a.name 字段名,
         (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) 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) 主键,
         b.name 类型,
         a.length 占用字节数,
         COLUMNPROPERTY(a.id,a.name,'PRECISION') as 长度,
         isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as 小数位数,
         (case when a.isnullable=1 then '√'else '' end) 允许空,
         isnull(e.text,'') 默认值,
         isnull(g.[value],'') AS 字段说明
FROM    syscolumns    a left join systypes b
on    a.xtype=b.xusertype
inner join sysobjects d
on a.id=d.id    and    d.xtype='U' and    d.name<>'dtproperties'
left join syscomments e
on a.cdefault=e.id
left join sys.extended_properties g --2005相应的修改
on a.id=g.major_id AND a.colid = g.major_id --2005相应的修改
where d.name='D3'
order by a.id,a.colorder