How To Create Many To Many Relationships Between Object?
Answer»
Creating Many to Many RELATIONSHIP in salesforce is little tricky. You cannot create this type of relationship directly. Follow below steps to create this type of relationship.
Create both objects which should be interlinked.
Create one CUSTOM object (ALSO called as junction object), which should have auto number as unique identification and create two master relationships for both objects, no need create tab for this object.
Now on both objects, ADD this field as related LIST.