测试表student的字段

1.插入一条数据

INSERT INTO student(sid,sname,sage,ssex) VALUES(1,"wangdali",18,0);

2.插入多条数据

INSERT INTO student(sid,sname,sage,ssex) VALUES(2,"wangmeili",18,1) , (3,"lida",18,1);

3. 插入三条数据

INSERT INTO student SELECT 4,"zhangsan",19,1 UNION ALL
                                    SELECT 5,"zhaodade",19,1 UNION ALL
                                    SELECT 6,"nali",19,0;