SQLserver查询表信息（所有列的名称，类型，字段说明）

= 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 = ‘Test‘--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 a.id,a.colorder

 

SQLserver查询表信息（所有列的名称，类型，字段说明）

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