select b.name,a.colid,a.name
,(select systypes.name+'('+cast(a.length/2 as varchar(10))+')' from systypes where a.xusertype=systypes.xusertype ) type
from syscolumns a
left outer join sysobjects b
on a.id=b.id
where b.xtype='U'
order by b.name,a.colid
SQL查询数据库中所有表、表字段名及数据类型
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转载自blog.csdn.net/simpleshao/article/details/80609929
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