diff --git a/README.md b/README.md
index edd8c75..38cb331 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ An updated and curated list of selected readings to illustrate Scalability, Avai
 * [ACID and BASE](https://neo4j.com/blog/acid-vs-base-consistency-models-explained/)
 * [Blocking/Non-Blocking and Sync/Async](https://blogs.msdn.microsoft.com/csliu/2009/08/27/io-concept-blockingnon-blocking-vs-syncasync/)
 * [Why Non-Blocking?](https://techblog.bozho.net/why-non-blocking/)
+* [Performance and Scalability of Databases](https://use-the-index-luke.com/sql/testing-scalability)
 * [Database Isolation Levels and Effects on Performance and Scalability](http://highscalability.com/blog/2011/2/10/database-isolation-levels-and-their-effects-on-performance-a.html)
 * [SQL versus NoSQL](https://www.upwork.com/hiring/data/sql-vs-nosql-databases-whats-the-difference/)
 * [Practical NoSQL resilience design pattern for the enterprise (eBay)](https://www.ebayinc.com/stories/blogs/tech/practical-nosql-resilience-design-pattern-for-the-enterprise/)