sql - Query multiple tables -


i have following tables

customers (id, name) customerpricerelations (customer_id, sales_price_id) # jointable salesprices (id, margin) productsalesprices (product_id, sales_price_id) # jointable 

given customer , product, want fetch matching salesprice. i'm kind of stuck , appreciate help

this mssql aren't using, should help. walk relations know until don't know.

select sp.id, sp.margin salesprices sp left outer join productsalesprices ps     on sp.id = ps.sales_price_id left outer join customerpricerelations cr     on ps.sales_price_id = cr.sales_price_id left outer join customers c     on cr.customer_id = c.id c.id = <your customer id> , ps.product_id = <your product id> 

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