新聞中心
這里有您想知道的互聯(lián)網(wǎng)營銷解決方案
查sqlserver表結(jié)構(gòu)說明的方法-創(chuàng)新互聯(lián)
一、查出某個庫的所有表名
二、查出某個庫的所有字段說明
USE database_name GO SELECT tab.name AS tableName, col.name AS column_name, per.value AS column_comment, col.is_identity AS column_key, type.name AS data_type, col.max_length AS column_length FROM sys.columns col INNER JOIN sys.tables tab ON col.object_id = tab.object_id LEFT JOIN sys.extended_properties per ON col.column_id = per.minor_id AND per.major_id = tab.object_id INNER JOIN sys.types type ON col.user_type_id = type.user_type_id ORDER BY tab.name, col.is_identity DESC二、查出某個庫的所有字段說明(查出數(shù)據(jù)詳細(xì)格式化版)
USE database_name GO SELECT 表名=case when a.colorder=1 then d.name else '' end, 表說明=case when a.colorder=1 then isnull(f.value,'') else '' end, 字段序號=a.colorder, 字段名=a.name, 標(biāo)識=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end, 主鍵=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, 類型=b.name, 占用字節(jié)數(shù)=a.length, 長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'), 小數(shù)位數(shù)=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0), 允許空=case when a.isnullable=1 then '√'else '' end, 默認(rèn)值=isnull(e.text,''), 字段說明=isnull(g.[value],'') FROM syscolumns a left join systypes b on a.xtype=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 order by a.id,a.colorder另外有需要云服務(wù)器可以了解下創(chuàng)新互聯(lián)cdcxhl.cn,海內(nèi)外云服務(wù)器15元起步,三天無理由+7*72小時售后在線,公司持有idc許可證,提供“云服務(wù)器、裸金屬服務(wù)器、高防服務(wù)器、香港服務(wù)器、美國服務(wù)器、虛擬主機(jī)、免備案服務(wù)器”等云主機(jī)租用服務(wù)以及企業(yè)上云的綜合解決方案,具有“安全穩(wěn)定、簡單易用、服務(wù)可用性高、性價比高”等特點(diǎn)與優(yōu)勢,專為企業(yè)上云打造定制,能夠滿足用戶豐富、多元化的應(yīng)用場景需求。
網(wǎng)頁名稱:查sqlserver表結(jié)構(gòu)說明的方法-創(chuàng)新互聯(lián)
標(biāo)題網(wǎng)址:http://www.dlmjj.cn/article/higsi.html