sql语句求答案 请按1.2.3.4.的格式,谢谢答:13 insert into user(user_no,user_name,password,dept)values('1000116','王飞','123456','总经办')14 insert into user(user_no,user_name,password,dept)select user_no, user_name, password, dept from user1 15 delete from user1 16 create table user2 as select * from ...