SELECT
field name = a.name,
type = b.name,
field specifies = ISNULL (G. [ Value ] , '' ),
is null = Case When a.isnullable = . 1 the then . 1 the else 0 End ,
whether self-energizing = Case When the COLUMNPROPERTY (a.id, a.name, ' IsIdentity ' ) = . 1 the then . 1 the else 0 End ,
the primary key = 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 'X' end
FROM syscolumns a
left join systypes b on a.xusertype=b.xusertype
inner join sysobjects d on a.id=d.id and d.xtype in('U','V') 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'
order by a.id,a.colorder