mysql - SQL join some tables -


i have 4 tables:

user(userid,username,password)

book(id,title,author,isbn,cost)

orders(orderid,orderdate,userid) (manytoone user , onetomany orderitem)

orderitem(id,quantity,totalprice,book_id, order_orderid) (manytoone order , manytoone book)

i ma going retrieve title , cost, author , orderid , quantity userid=1

here query:

select   book.title,   book.cost,   book.author,   orders.orderdate,   orderitem.quantity,   orderitem.totalprice book   join orderitem on book.id = orderitem.id   join orders on orders.orderid = orderitem.order_orderid user_id=1;

but query has no result!

 select       book.title,       book.cost,       book.author,       orders.orderdate,       orderitem.quantity,       orderitem.totalprice     book       inner join orderitem on book.id = orderitem.book_id       inner join orders on orders.orderid = orderitem.order_orderid      user_id = 1;

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