Databases

A Primer on ACID Transactions: The Basics Every Cloud App Developer Must Know Roadmap:Entry must-learn
A Visual Explanation of SQL Joins Roadmap:Entry must-learn
Five sharding data models and which is right Roadmap:Advanced
Four Data Sharding Strategies We Analyzed in Building a Distributed SQL Database Roadmap:Advanced
Normalization of Database Roadmap:Entry must-learn
Understanding Database Sharding Roadmap:Advanced