Relationship between Opportunity,OpportunityLineItems and Price books

Opportunity

• Opportunity object stores data of potential sales and pending sales.
• One opportunity can only have one pricebook.
• One opportunity can contain one or many line items.

Product

• Product object is a catalogue of items or services for sales.
• A product may contain one or more different sets of prices (PriceBookEntry).

OpportunityLineItem

• List of products that link with opportunity containing data on types of products and respective prices.
• One opportunity line item can only be linked to one opportunity.
• One opportunity line item can only be linked to one price book entry.

PricebookEntry

• PricebookEntry object is a product entry in a pricebook.
• This object allows products to be linked to standard price book or custom price book.
• One price book entry is linked to only one product.
• One price book entry can only appear in one pricebook.
• One price book entry can be used in multiple line items. This also further creates flexibility for users to set their own prices.

Pricebook

• Pricebook object store a list of products and services for sale.
• A pricebook can be used in one or more different opportunities.
• A pricebook has one or more different price entries.