Optimizing IN Clause Queries in MySQL: Finding the Right Number of Values
**Introduction**
Do you recall the question I left hanging in my previous article "Do NULL Values Impact Query Performance?"? If not, you can revisit that piece and search for the keyword "What's the optimal number of values for an IN field query?" to find it.
Let's revisit this question: How do the primary keys 6, 8, 2, and ...
Posted on Wed, 04 Nov 2026 16:45:06 +0000 by JBS103