Home > DeveloperSection > Interviews > Name and describe three types of binary relationships.

Posted on    August-24-2014 11:55 PM

 MSSQL Server MSSQL Server 
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Sumit Kesarwani

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Posted on    August-24-2014 12:00 AM

1:1 - a single entity instance of one type is related to a single-entity instance of another type.

1:N - a single entity instance of one type is related to many-entity instances of another type.

M:N - many-entity instances of one type relate to many-entity instances of another type.


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