Dazed and Confused

Question

 Hi, I am very confused could someone just please make a suggestion of where to look next, I don't want anyone to do my work for me, I just am lost. My assignment is below with my work.
Display the Product Names of all products that were placed by customers in CA.
• Order the result by Product Name in ascending order.
• Eliminate duplicate rows in the results.
• HINT: Four WHERE clauses. First WHERE clause uses set notation, and sub query. Second WHERE clause set notation and sub query. Third WHERE clause set notation, and sub query. Fourth WHERE clause uses equal for state.
• 10 rows returned.
Here is what I have, I can't seem to get past errors and still come up with 77 rows.
SELECT p.ProductName
FROM Products p
WHERE EXISTS (SELECT p.ProductID
FROM Customers c
INNER JOIN Orders o
ON c.CustomerID = o.CustomerID
WHERE c.Region = 'CA'
AND p.ProductID = p.ProductID)
Thanks
Lea Kinney

Answer 1

 Hi, I am very confused could someone just please make a suggestion of where to look next, I don't want anyone to do my work for me, I just am lost. My assignment is below with my work.
Display the Product Names of all products that were placed by customers in CA.
• Order the result by Product Name in ascending order.
• Eliminate duplicate rows in the results.
• HINT: Four WHERE clauses. First WHERE clause uses set notation, and sub query. Second WHERE clause set notation and sub query. Third WHERE clause set notation, and sub query. Fourth WHERE clause uses equal for state.
• 10 rows returned.
Here is what I have, I can't seem to get past errors and still come up with 77 rows.
SELECT p.ProductName
FROM Products p
WHERE EXISTS (SELECT p.ProductID
FROM Customers c
INNER JOIN Orders o
ON c.CustomerID = o.CustomerID
WHERE c.Region = 'CA'
AND p.ProductID = p.ProductID)
Thanks
Lea Kinney
thank you so much for this. I am in a RDBMS class this is one of the questions. I have been fighting with this almost a day. this is what I had after many different configurations, then I found you.
SELECT ProductName
    FROM Products JOIN Orders ON CustomerID = customerID FROM  OrderDetails AS OD
    WHERE OrderID = (Select Max(ShipRegion) From Orders Where ShipRegion = 'CA')
I started out with one similar to the one you have. then I had this mess. this is my 2nd class on sql. I didn't really like it at first but it kind of grows on you. I really want to build applications and write scripts for virtual grids. Thanks again.
Rick
rollingreenproject.org