How Can I Effectively Parameterize Views in Microsoft SQL Server?

Can't Pass Parameters to Views in SQL: Alternate Solution

In Microsoft SQL Server, it's not possible to pass parameters to a view directly. However, there's an alternative solution that leverages a stored function.

Stored Function Approach

Consider the following stored function:

CREATE FUNCTION v_emp (@pintEno INT)
RETURNS TABLE
AS
RETURN
   SELECT * FROM emp WHERE emp_id=@pintEno;

This function essentially mimics the functionality of a view with parameters.

Usage

To use this stored function as a parameterizable view, simply call it like this:

SELECT * FROM v_emp(10)

In this example, the function v_emp receives the parameter @pintEno with a value of 10 and returns the corresponding employee records.

Benefits

• Allows parameterization of views
• Maintains the simplicity and reusability of views
• Provides an efficient and scalable solution for parameterized queries

Limitations

• Requires the creation of a stored function for each parameterized view
• May not be suitable for complex queries with multiple parameters

While you cannot pass parameters directly to views, the stored function approach offers a practical and effective workaround.

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