text: use posapp;
  
  
  SHOW TABLES;
  
  create table order_details(
      orderId int not null,
      productId int not null,
      quantity int(10),
      PRIMARY KEY(orderId, productId)
  ) engine=InnoDB;
  
  drop table order_details;
  desc order_detail;
  
  
  
  select * from order_detail;
  
  INSERT INTO order_detail(id, orderId, productId) values(?,?,?);
  