begin transaction    insert into teachers (Name,Age,Greade) values(‘test1‘,40,‘高三三班‘)    insert into Students (ClassName,Name,Age) values(‘高三六班‘,‘小花‘,18)save transaction save1    insert into teachers (Name,Age,Greade) values(‘test2‘,50,‘高三三班‘)    insert into Students (ClassName,Name,Age) values(‘高三六班‘,‘阿紫‘,19)rollback transaction save1commit transaction