diff --git a/content/pages/03-data/01-databases.markdown b/content/pages/03-data/01-databases.markdown
index bad071a2c..c56ab12d2 100644
--- a/content/pages/03-data/01-databases.markdown
+++ b/content/pages/03-data/01-databases.markdown
@@ -239,9 +239,6 @@ speed on SQL if you have never previously used it.
   [data analysis](/data-analysis.html). This tutorial uses Spotify data
   to show how to extract what you are looking to learn from a data set.
 
-* [Databases integration testing strategies](https://julien.danjou.info/blog/2014/db-integration-testing-strategies-python)
-  covers a difficult topic that comes up on every real world project.
-
 * GitLab provided their 
   [postmortem of a database outage on January 31](https://about.gitlab.com/2017/02/10/postmortem-of-database-outage-of-january-31/)
   as a way to be transparent to customers and help other development
@@ -254,9 +251,7 @@ speed on SQL if you have never previously used it.
   asychronous event models. Definitely worth a read if you are using
   [WebSockets](/websockets.html) via Tornado or gevent.
 
-* [PostgreSQL vs. MS SQL Server](http://www.pg-versus-ms.com/) is one
-  perspective on the differences between the two database servers from a
-  data analyst.
+* [SQLable](https://sqlable.com/) is an online suite of database tools, offering an SQL formatter and validator, SQL regex tester, fake data generator, and database playgrounds.
 
 
 ## Databases learning checklist