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Your application database includes Person and OfficeAssignment tables. You add an entity named Instructor to your Entity Data Model. You need to determine if you can map Instructor entity properties loaded from columns in both tables.
Which conditions must be met to map columns from multiple tables to a single entity?
on 8/28/2012 | Category:
ADO.NET Interview questions
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Select from following answers:
Tables must share a primary key.
Both tables must have different primary keys.
There must be a 1-to-1 relationship between the tables.
In an Entity Splitting scenario, properties from a single entity in the conceptual model are mapped to columns in two or more underlying tables. In this scenario, the tables must share a common primary key.
Tables must share the same primary key, not have different primary keys.
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