Merge pull request #11 from jfg956/2026-06_add_Efficient_MySQL_Performance

Add Efficient MySQL Performance book.

Author: dbazhenov

content/resources/books/efficient-mysql-performance/cover.jpeg

@@ -0,0 +1,17 @@
+---
+authors:
+- Daniel Nichter
+description: Efficient MySQL Performance distills 20 years of MySQL expertise
+  into 344 pages. Written for software developers, not DBAs, it's easy to
+  digest even if you're new to MySQL.
+images:
+- cover.jpeg
+link: https://www.oreilly.com/library/view/efficient-mysql-performance/9781098105082/
+tags:
+- beginner
+- developer
+- performance
+- practical
+title: Efficient MySQL Performance
+year: 2021
+---