建表
在这里呢我们先来建立两张有外键关联的张表。
CREATE DATABASE db0206; USE db0206; CREATE TABLE `db0206`.`tbl_dept`( `id` INT(11) NOT NULL AUTO_INCREMENT, `deptName` VARCHAR(30), `locAdd` VARCHAR(40), PRIMARY KEY (`id`) ) ENGINE=INNODB CHARSET=utf8; CREATE TABLE `db0206`.`tbl_emp`( `id` INT(11) NOT NULL AUTO_INCREMENT, `name` VARCHAR(20), `deptId` INT(11), PRIMARY KEY (`id`), FOREIGN KEY (`deptId`) REFERENCES `db0206`.`tb_dept`(`id`) ) ENGINE=INNODB CHARSET=utf8; /*插入数据*/ INSERT INTO tbl_dept(deptName,locAdd) VALUES('RD',11); INSERT INTO tbl_dept(deptName,locAdd) VALUES('HR',12); INSERT INTO tbl_dept(deptName,locAdd) VALUES('MK',13); INSERT INTO tbl_dept(deptName,locAdd) VALUES('MIS',14); INSERT INTO tbl_dept(deptName,locAdd) VALUES('FD',15); INSERT INTO tbl_emp(NAME,deptId)