INSERT INTO users(name, age) VALUES('姚明', 25), ('比尔.盖茨', 50), ('火星人', 600);
UPDATE member SET descipt = "默认" WHERE usertypeid IN (1,2,3,4);
UPDATE member SET descipt = CASE id WHEN 1 THEN '默认' WHEN 2 THEN '黄铜' WHEN 3 THEN '黄金' END WHERE id IN (1,2,3);
DELETE FROM users WHERE id IN (1,2,3,4);