If you ever wondered why a query that looks harmless is performing poorly despite having indexes in place, the answer could non-SARGable queries.
SQL SERVER Performance Tuning: Catching Key Lookup in Action
In this blog post, we’ll explore what a Key Lookup is, how to spot it, and most importantly, how to eliminate it using a covering index.
Majoring in the Minors in SQL Server Performance Tuning
We’ll explore how to avoid this common pitfall & Focus the areas that matter for performance improvements. Avoid majoring in the minors.
SQL SERVER – Performance: OR vs IN
I recently asked on Twitter an exciting question about OR vs IN. While I got lots of good answers, there were an equal amount of wrong answers.
Parameter Sensitive Plan optimization in SQL Server 2022 – SQL in Sixty Seconds #200
SQL Server 2022 introduces Parameter Sensitive Plan Optimization (PSPO), a feature that revolutionizes the performance of parameterized queries.
Remove Key Lookup – SQL in Sixty Seconds #194
Today, we are going to see one more trick from the book – Remove Key Lookup and improve the performance of queries.
SQL SERVER – Is Query from Cache? Execution Plan Property
Well, of course, there is an easy way to know this and that is Execution plan property. Is there any way to know if the executed query is from cache or not?