How Discord Stores Billions of Messages with Cassandra — Discord is a popular chat system for gamers. They started out with MongoDB but here they explain why and how they moved to Cassandra, and how they dealt with garbage collection issues.

DBeaver: A Free Universal SQL Client — Cross platform and support all popular databases: MySQL, PostgreSQL, SQLite, Oracle, DB2, SQL Server, Sybase, Teradata, MongoDB, Cassandra, Redis, etc.

Data Coding 101: How to install Python, SQL, R and Bash — A step by step guide - for non-devs and wannabe data scientists - to install R, Python, SQL and Bash in 30 minutes to begin data coding and analysis.

SQL Source Control: track each change to your SQL Server database — Get a full history in your source control system. See who made changes, what they did & why. See how

Oracle Releases A Monster Security Update for Over 100 Exploitable Flaws — Oracle is urging its customers to apply patches that include 270 fixes to prevent at least 100 remotely exploitable flaws.

The Compendium of Database Ransomware — A post being kept updated with database names found to be associated with ransomware attacks.

Managing Employees and Resources: A Process Management Data Model — What kind of data model can handle all the planning and activities used in process management? The latest in Vertabelo’s series of posts on database modelling.

Intel Unveils Deep Learning Framework for Spark — BigDL is a new, open source deep learning framework that runs as a Spark job atop Hadoop.

PostgreSQL Exercises — If you’re looking for a way to practice your SQL skills, PG Exercises offers some good example data and exercises to hone your skills.