读取数据库表结构代码(sql 2000,2005)

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--sql 2000

SELECT  

数据库=db_name(),     表名       = d.name,     字段序号   = a.colorder,     字段名     = a.name,     字段说明   = isnull(g.[value],''),     类型       = b.name,     --占用字节数 = a.length,     长度       = (case when b.name in('int', 'datetime') then '' else str(COLUMNPROPERTY(a.id,a.name,'PRECISION')) end),     小数位数   = (case when b.name in('int','datetime') then '' else str(isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0))end),     是否递增       = 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 parent_obj=a.id 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,     允许空     = case when a.isnullable=1 then '√'else '' end,     默认值     = isnull(e.text,'') FROM     syscolumns a left join     systypes b on    a.xusertype=b.xusertype and b.name<>'sysname' 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 like '%joblot'    --如果只查询指定表,加上此条件 order by a.id,a.colorder

 --sql 2005 SELECT   数据库=db_name(), 表名=d.name,   字段序号=a.colorder,  字段名=a.name,   字段说明=isnull(g.[value],''), 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),  是否递增=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,   允许空=case when a.isnullable=1 then '√'else '' end,   默认值=isnull(e.text,'')  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'       left join syscomments e on a.cdefault=e.id        left join sys.extended_properties g on d.id=g.major_id and a.colid=g.minor_id  where d.name<>'dtproperties' and b.name<>'sysname' and d.name like '%jobmain%' --指定表时加入此行 order by a.id,a.colorder