摘要：
create table AllScore(id int identity(1,1) primary key,--主键stu_name varchar(20),--学生名category varchar(20),--学科record float,--成绩)/*插入数据*/insert into AllScore(stu_name,category,record)values('刘德华','Chinese',100)insert into AllScore(stu_name,category,record)values('刘德华','Eng 阅读全文
