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You use Microsoft SQL Server 2012 to develop a database application. You need to implement a computed column that references a lookup table by using an INNER JOIN against another table. What should you do?
Correct Answer: A
Explanation/Reference: Explanation: A common way to define a computed column is by using a user-defined function (UDF) to encapsulate the calculation logic. References: https://blogs.msdn.microsoft.com/sqlcat/2011/11/28/a-computed-column-defined-with-a-user- defined-function-might-impact-query-performance/