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SQL Server T-SQL Tuning -TVF and Scalar Functions

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A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU

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2016-03-04

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A New Operator

In SQL Server 2025, what does this code return?

SELECT '1' || '0'
 

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