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You are developing an application to track customer sales.

You need to create a databas

e object that meets the following requirements:

Launch when table data is modified.

Evaluate the state a table before and after a data modification and take action based on the difference.

Prevent malicious or incorrect table data operations.

Prevent

changes that violate referential integrity by cancelling the attempted data modification.

Run managed code packaged in an assembly that is created in the Microsoft.NET Framework and located into Microsoft SQL Server.

What should you create?

A. extended p

rocedure

B. CLR procedure

C. user-defined procedure

D. DDL trigger

E. scalar-valued function

F. table-valued function

Explanation:

You can create a database object inside SQL Server that is programmed in an assembly created in the Microsoft .NET

Framework common language runtime (CLR). Database objects that can leverage the rich programming model provided by the CLR include DML triggers, DDL triggers, stored procedures, functions, aggregate functions, and types.

Creating a CLR trigger (DML or DD

L) in SQL Server involves the following steps:

Define the trigger as a class in a .NETFramework-supported language. For more information about how to program triggers in the CLR, see CLR Triggers. Then, compile the class to build an assembly in the .NET Fr

amework using the appropriate language compiler.

Register the assembly in SQL Server using the CREATE ASSEMBLY statement. For more information about assemblies in SQL Server, see Assemblies (Database Engine).

Create the trigger that references the register

ed assembly.

References: https://msdn.microsoft.com/en-us/library/ms179562.aspx