Error validating the formula for column sql server are romi and dusty dating

UDF_Get Leave Balance(Emp Numb)) ) GO --Insert sample data INSERT INTO CCTest (Emp Numb, Designation) SELECT 840, 'DBA' UNION ALL SELECT 805, 'DBA' UNION ALL SELECT 846, 'Manager' UNION ALL SELECT 88, 'Manager' UNION ALL SELECT 90, 'Developer' GO -- Check the result SELECT * from CCTest GO So below we can see the number of remaing days available for each employee.

There are some considerations related to UDFs when a computed column is to be used in an index.

I have used computed columns in simple scenarios and these are working fine.

However in some cases we are facing limitations while implementing business logic through computed columns.

For example we are required to have different values based on a separate expression to determine the computed values.

This limitation may be overcome by using a User Defined Function.

We are also required to access columns outside the computed column table for use in the computed column expression.

In this tip we look at how to make computed columns more flexible.

This would make the computed column more flexible and handy for your database design.

Following is list of some scenarios that we are going to handle in this tip.

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A UDF may be used in the expression to access any column outside the computed column table.

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