How do I show all records from one table for each semi-related record in another?

How do I show all records from one table for each semi-related record in another?

This problem is extremely difficult to explain and I did not even know how to title it correctly so I do apologise about that in advance.

This problem is extremely difficult to explain and I did not even know how to title it correctly so I do apologise about that in advance.

I have a view of products which is as follows:

Product

ProductId

ProductName

In my database, I have a ratecard table and a ratecard product table. A ratecard may be titled "Tier 1 Customers" and the corresponding RatecardProduct records would be prices for products for that particular ratecard. It may only contain prices for a few products and not all of them.

Ratecard

RatecardId

RatecardName

RatecardProduct

RatecardProductId

RatecardId

ProductId UnitPrice

The problem is that I need to create a view which displays all products for all ratecards. If the ratecard / product combination does not have a corresponding unit price in my ratecardproduct table, it should show NULL or 0.

Imagine I have 10 products and 4 ratecards; the view would contain 40 records, even if the RatecardProduct table was completely empty

The reason I need to do this is because I am populating a gridview on viewing a ratecard and I do not want to have to do a round trip for each row to ascertain if there is a corresponding price.

Thank you so much in advance.

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