select b.name,d.name,b.length,c.value from sysobjects a
join syscolumns b on a.id = b.id
join sysproperties c on b.id = c.id and c.smallid = b.colid
left outer join systypes d on b.xtype=d.xtype where a.xtype ='U' and a.name='authors' ???有的表对有的不对-_-...,该怎么写????
join syscolumns b on a.id = b.id
join sysproperties c on b.id = c.id and c.smallid = b.colid
left outer join systypes d on b.xtype=d.xtype where a.xtype ='U' and a.name='authors' ???有的表对有的不对-_-...,该怎么写????
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 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 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='orders' --如果只查询指定表,加上此条件
order by a.id,a.colorder
表名=d.name,字段名=a.name,序号=a.colid,
标识=case when a.status=0x80 then 1 else 0 end,
主键=case when exists(SELECT 1 FROM dbname1..sysobjects where xtype='PK' and name in (
SELECT name FROM dbname1..sysindexes WHERE indid in(
SELECT indid FROM dbname1..sysindexkeys WHERE id = a.id AND colid=a.colid
))) then 1 else 0 end,
类型=b.name, 占用字节数=a.length,长度=a.prec,小数位数=a.scale, 允许空=a.isnullable,
默认值=isnull(e.text,''),字段说明=isnull(g.[value],'')
FROM dbname1..syscolumns a
left join dbname1..systypes b on a.xtype=b.xusertype
inner join dbname1..sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
left join dbname1..syscomments e on a.cdefault=e.id
left join dbname1..sysproperties g on a.id=g.id and a.colid=g.smallid
order by a.id,a.colorder