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use student_info;
create view results_view as
select r.student_id as ѧºÅ, s.student_name as ÐÕÃû, c.course_name as ¿Î³ÌÃû³Æ, r.result as ³É¼¨
from results r inner join students s on r.student_id=s.student_id
inner join courses c on r.course_id=c.course_id;
select * from results_view
where ¿Î³ÌÃû³Æ='¼ÆËã»úÓ¦Óûù´¡'and ³É¼¨ is not null
order by ³É¼¨ desc limit 3;

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      mysql> c:\wamp\www\8.9.sql
      show warnings disabled.
      show warnings disabled.
      error:
      unknown command '\8'
      ->

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& ......

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import java.sql.*;

public class A
{
public static void main(String[] args)
{
try
{
Class.forName("com.mysql.jdbc.Driver");
String url="jdbc:mysql://localhost ......
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