如下:一張訂單表多個字段關聯用戶表: 1.鏈表查詢 SELECT cu.id AS 'id',cu.version AS 'version',cu.cid AS 'cid',cu.uid AS 'uid',cu.shopName AS 'shopName',cu.address ...
SELECT vtiger orderitem.orderid, SELECT vtiger users.last name FROM vtiger users WHERE vtiger orderitem.signatory vtiger users.id AS signatory, SELECT vtiger users.last name FROM vtiger users WHERE v ...
2018-04-26 13:25 0 4801 推薦指數:
如下:一張訂單表多個字段關聯用戶表: 1.鏈表查詢 SELECT cu.id AS 'id',cu.version AS 'version',cu.cid AS 'cid',cu.uid AS 'uid',cu.shopName AS 'shopName',cu.address ...
CREATE TABLE `User`( `Id` BIGINT AUTO_INCREMENT NOT NULL, `Name` VARCHAR(10) NULL, `Phone` VAR ...
接着之前寫的一篇文https://www.cnblogs.com/lingyejun/p/11915413.html 做什么事情 更新book_borrow表,設置其中的student_name為student表中的name,關聯條件為book_borrow.student_id ...
有時候給了一個白名單,需要導入到白名單表 可使用如下方式導入 ...
SQL如下 select count(*) from information_schema.COLUMNS where TABLE_SCHEMA='數據庫名' and table_name='表名' ...
TableA Aid A1 A2 A3 1 ABCD 11 aa 2 ...
update t1 set t1.BPTProductId=t2.BPTIdfrom Bas_ProductImageUrl t1join Bas_Products t2on t1.BPTBarCod ...
mysql: UPDATE member a,`chanelh5` b SET b.channel_id = a.channel_idWHERE a.pcode = b.pcode ...