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select
字段名 = a.name,
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,
类型 = b.name,
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 sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id
where d.name='area';
详细sql
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 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,
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
sys.extended_properties g
on
a.id=g.major_id and a.colid=g.minor_id
left join
sys.extended_properties f
on
d.id=f.major_id and f.minor_id=0
where
d.name='表名' --如果只查询指定表,加上此where条件，tablename是要查询的表名；去除where条件查询所有的表信息
order by
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