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MySQL数据库表的数据插入、修改、删除操作及实例应用

时间:2021-07-01 10:21:17 帮助过:4人阅读

CREATE DATABASE db0504; 2 3 USE db0504; 4 5 CREATE TABLE student ( 6 sno VARCHAR (10) NOT NULL UNIQUE PRIMARY KEY, 7 sname VARCHAR (20) NOT NULL, 8 ssex enum (, ) NOT NULL DEFAULT , 9 sbirth date, 10 sclass VARCHAR (10), 11 zno CHAR (4) 12 ) DEFAULT charset = gb2312; 13 #添加操作 14 INSERT INTO student 15 VALUES(2012010713,丁暖,,1993-9-9,物联网12-1,z002); 16 17 INSERT INTO student (sno,sname,ssex,sbirth,sclass,zno) 18 VALUES(2011010503,孔超,,1993-9-19,自动化11-1,z006); 19 20 INSERT INTO student (sno, sname, ssex, zno) 21 VALUES(2011010521,韩梅,,z006); 22 23 INSERT INTO student (sname, zno, sno) 24 VALUES(韩梅2,z006,2011010522); 25 26 INSERT INTO student VALUES 27 (2011010501,孔超1,,1993-9-19,自动化11-1,z006); 28 (2011010505,孔超2,,1993-9-19,自动化11-1,z006); 29 (2011010504,孔超3,,1993-9-19,自动化11-1,z006); 30 (2011010505,孔超4,,1993-9-19,自动化11-1,z006); 31 #修改操作 32 UPDATE student 33 SET sname = 张三,sbirth = 1993-6-19 34 WHERE sname = 丁暖; 35 36 UPDATE student SET zno = LEFT (zno, 3); 37 #删除操作 38 delete from student 39 where sname=张三; 40 41 #清空表操作 42 truncate student;#高效 43 delete from student; 44 45 SELECT * FROM student;

插入:insert

修改:update

删除:delete

2.实例开发

MySQL数据库表的数据插入、修改、删除操作及实例应用

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