An entity relationship in Microsoft Dynamics CRM defines how two entities interact with each other.
Microsoft Dynamics CRM uses three types of data relationships, which we review in more detail in the following sections:
Hierarchical Relationships - 1:N and N:1
One-to-many (1:N) - relationship between two entities in which a single entity can possess multiple (many) related entities. For Example, Each Account can have many Contacts, but you can assign only one Account to each Contact.
Many-to-one (N:1)
Microsoft Dynamics CRM uses three types of data relationships, which we review in more detail in the following sections:
Hierarchical Relationships - 1:N and N:1
One-to-many (1:N) - relationship between two entities in which a single entity can possess multiple (many) related entities. For Example, Each Account can have many Contacts, but you can assign only one Account to each Contact.
Many-to-one (N:1)
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