qfedu-linux-advanced-level/day9/backup.sql

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CREATE TABLE `t_course` (
  `cid` int(11) DEFAULT NULL,
  `name` varchar(50) DEFAULT NULL COMMENT '课程名',
  `tid` int(11) DEFAULT NULL COMMENT '教师编号'
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  `name` varchar(50) DEFAULT NULL,
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INSERT INTO `t_emp` VALUES (1,'jack','17189792205',13000.00,'2021-10-12'),(2,'lucy','17178982206',3200.00,'2022-11-15'),(3,'disen','17178979385',23000.00,'2022-10-12');
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INSERT INTO `t_stu` VALUES (1,'张三','女','1990-12-28'),(2,'王龙','男','1991-01-07'),(3,'刘冬冬','女','1992-08-21'),(4,'刘红','男','1998-02-15'),(5,'王玉玉','女',NULL);
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-- Dump completed on 2023-08-24 17:01:50