答案
insert into actor( actor_id, first_name, last_name, last_update) VALUES ('1', 'PENELOPE', 'GUINESS', '2006-02-15 12:34:33'), ('2', 'NICK', 'WAHLBERG', '2006-02-15 12:34:33');/*'1'也可以不加''*/
错误答案
insert into actor( actor_id first_name last_name last_update)/*错误原因:漏加逗号,*/ VALUES ('1', 'PENELOPE', 'GUINESS', '2006-02-15 12:34:33'), ('2', 'NICK', 'WAHLBERG', '2006-02-15 12:34:33');