Student(S#,Sname,Sage,Ssex) 学生表 Course(C#,Cname,T#) 课程表 SC(S#,C#,score) 成绩表 Teacher(T#,Tname) 教师表 问题: 1、查询“001”课程比“002”课程成绩高的所有学生的学号; select a.S# from (select s#,score from SC where C#='001') a,(select s#,score from SC where C#='002') b where a.scor
One must learn by doing the thing, for though you can think you know it you have no certainty until you try it. Emphasizes the importance of structuring programs using an explicit problem solving methodology and top-down design to create programs go
#include > using namespace std; using namespace std; class Student class Student {private: {private: int int num; num; int int score; score; public: public: void void setdata setdata() () { { cin cin>>num; >>num; cin cin>>scor
--Student(S#,Sname,Sage,Ssex) 学生表 --SC(S#,C#,score) 成绩表 --Course(C#,Cname,T#) 课程表 --Teacher(T#,Tname) 教师表 --问题: 1、--查询“001”课程比“002”课程成绩高的所有学生的学号; select a.S# from (select s#,score from SC where C#='001') a,(select s#,score from SC where C#='002') b
People love pong. They do. But why? Really. What's to love? There isn't much to the game: a pair of paddles move two blunt white lines on either side of a black screen, a blocky excuse for a ball bounces between them, and if you miss the ball, your