70-516 · Question #176
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. The application connects to a Microsoft SQL Server 2008 database. The database includes a table that…
The correct answer is B. Modify the .edmx file to include the following line of code. <Association Name="FK_OrderDetails_Orders1"> <End Role="Orders" Type="StoreDB.Store.Orders" Multiplicity="1"> <OnDelete Action="Cascade" /> <End Role="OrderDetails" Type="StoreDB.Store.OrderDetails" Multiplicity="*" /> <ReferentialConstraint> <Principal Role="Orders">…
Question
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. The application connects to a Microsoft SQL Server 2008 database. The database includes a table that contains information about all the employees. The database table has a field named EmployeeType that identifies whether an employee is a Contractor or a Permanent employee. You declare the Employee entity base type. You create a new Association entity named Contractor that inherits the Employee base type. You need to ensure that all Contractors are bound to the Contractor class. What should you do?
Options
- AModify the .edmx file to include the following line of code:
- BModify the .edmx file to include the following line of code:
- CUse the Entity Data Model Designer to set up an association between the Contractor class
- DUse the Entity Data Model Designer to set up a referential constraint between the primary
How the community answered
(62 responses)- A5% (3)
- B73% (45)
- C10% (6)
- D13% (8)
Explanation
<Association Name="FK_OrderDetails_Orders1"> <End Role="Orders" Type="StoreDB.Store.Orders" Multiplicity="1"> <OnDelete Action="Cascade" /> <End Role="OrderDetails" Type="StoreDB.Store.OrderDetails" Multiplicity="*" /> <ReferentialConstraint> <Principal Role="Orders"> <PropertyRef Name="ID" /> <Dependent Role="OrderDetails"> <PropertyRef Name="OrderId" /> </ReferentialConstraint>
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