CREATE DATABASE test;
use test;
CREATE TABLE student (
id int,
name varchar(255),
address varchar(255),
city varchar(255)
);
INSERT INTO student (id, name, address, city) VALUES (1, '刘一', '郑十家隔壁', '河南');
INSERT INTO student (id, name, address, city) VALUES (2, '陈二', '李四家隔壁', '安徽');
INSERT INTO student (id, name, address, city) VALUES (3, '张三', '白娘子家隔壁', '杭州');
INSERT INTO student (id, name, address, city) VALUES (4, '李四', '许仙家隔壁', '杭州');
INSERT INTO student (id, name, address, city) VALUES (5, '王五', '李四家隔壁', '杭州');
SELECT * FROM student;
SELECT address FROM student WHERE city = '杭州';
START TRANSACTION;
UPDATE student SET address = '龙柏一村' WHERE city = '杭州';
COMMIT;
SELECT * FROM student;
SELECT name FROM student WHERE address = '龙柏一村';
START TRANSACTION;
DELETE FROM student WHERE address = '龙柏一村';
COMMIT;
SELECT * FROM student;