本文将指导您如何查询特定数据库中的指定表（如admin表），获取其所有字段的名称、长度、数据类型及字段说明。
-- 查询XXX数据库下的admin表的字段名,长度,类型,字段说明
SELECT a.[name] as '字段名',a.length '长度',c.[name] '类型',e.value as '字段说明' FROM syscolumns a
left join systypes b on a.xusertype=b.xusertype
left join systypes c on a.xtype = c.xusertype
inner join sysobjects d on a.id=d.id and d.xtype='U'
left join sys.extended_properties e on a.id = e.major_id and a.colid = e.minor_id and e.name='MS_Description'
where d.name='admin'
SELECT a.[name] as '字段名',a.length '长度',c.[name] '类型',e.value as '字段说明' FROM syscolumns a
left join systypes b on a.xusertype=b.xusertype
left join systypes c on a.xtype = c.xusertype
inner join sysobjects d on a.id=d.id and d.xtype='U'
left join sys.extended_properties e on a.id = e.major_id and a.colid = e.minor_id and e.name='MS_Description'
where d.name='admin'
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