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SQL Challenge #11 – inlined user defined functions

SQL Challenge #11 – inlined user defined functions

by Uwe Ricken | Mar 14, 2026 | Level 200, SQL Challenges

Problem Description / Requirement A developer has heard from the new feature “Scalar UDF Inlining” and he wanted to improve a stored procedure [dbo].[get_last_order_months].This stored procedure is called 10 to 100 times per hour by the marketing...
SQL Challenge #3 – Case Sensitive Searches

SQL Challenge #3 – Case Sensitive Searches

by Uwe Ricken | Feb 2, 2025 | Level 200, SQL Challenges

Problem Description / Requirement The software manufacturer’s database uses the [SQL_Latin1_General_CP1_CI_AS] collation for the application. The development team wrote a custom function that can be used to find customers based on an address search. The...

SQL Challenges

  • SQL Challenge #11 – inlined user defined functions 2026-03-14
  • SQL Challenge #10 – when Database Settings impact performance 2025-11-03
  • SQL Challenge #9 – When Estimates are wrong 2025-10-22
  • SQL Challenge #8 – Overlapping Time Series 2025-07-07
  • SQL Challenge #7 – Dynamically added attributes 2025-04-07
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