apex - In Salesforce , why there is no OpportunityContactRole in schema builder ? -

in salesforce , why there no opportunitycontactrole in schema builder ? relationship between opportunity , contact ?

there many-to-many relationship between opportunity , contact, through junction object alled opportunitycontactrole.

please take @ api guide , detail explanation usage , limitation here: http://sfdcsrini.blogspot.com/2014/04/what-is-opportunity-contact-role.html