diff --git a/README.md b/README.md
index 92637ff..d3790c2 100644
--- a/README.md
+++ b/README.md
@@ -116,7 +116,8 @@ Contributions are always welcome!
 		* [Scaling Slack’s Job Queue with Redis](https://slack.engineering/scaling-slacks-job-queue-687222e9d100)
 		* [Moving persistent data out of Redis at Github](https://githubengineering.com/moving-persistent-data-out-of-redis/)
 	* [Practical NoSQL resilience design pattern for the enterprise (eBay)](https://www.ebayinc.com/stories/blogs/tech/practical-nosql-resilience-design-pattern-for-the-enterprise/)		
-* [RDBMS (MySQL, PostgreSQL)](https://www.mysql.com/products/cluster/scalability.html)
+* [RDBMS (MySQL, MSSQL, PostgreSQL)](https://www.mysql.com/products/cluster/scalability.html)
+	* [MS SQL versus MySQL](https://www.upwork.com/hiring/data/sql-vs-mysql-which-relational-database-is-right-for-you/)
 	* [Why SQL is beating NoSQL, and what this means for the future of data](https://blog.timescale.com/why-sql-beating-nosql-what-this-means-for-future-of-data-time-series-database-348b777b847a)
 	* [Sharding MySQL at Pinterest](https://medium.com/@Pinterest_Engineering/sharding-pinterest-how-we-scaled-our-mysql-fleet-3f341e96ca6f)
 	* [How Airbnb Partitioned Main MySQL Database in Two Weeks](https://medium.com/airbnb-engineering/how-we-partitioned-airbnb-s-main-database-in-two-weeks-55f7e006ff21)