SELECT * FROM table1 WHERE id=1;
INSERT INTO table1 (id,NAME) VALUES (2,'222');
UPDATE table1 SET NAME ='刘慧玲' WHERE id=2;
DELETE FROM table1 WHERE id=1;
SELECT * FROM table1 WHERE id=1;
INSERT INTO table1 (id,NAME) VALUES (2,'222');
UPDATE table1 SET NAME ='刘慧玲' WHERE id=2;
DELETE FROM table1 WHERE id=1;