获取字段，标识，主键，类型，长度，小数位数，允许为空，字段说明 for sql 2000

SELECT a.name 字段名,COLUMNPROPERTY(a.id,a.name,'IsIdentity') 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 '1' else '0' end) 主键,
b.name 类型,
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 '1'else '0' end) 允许空,
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 sysproperties g on a.id=g.id AND a.colid = g.smallid
where d.name = '表名'---表名
order by a.id,a.colorder