Using indexing to optimize database search performance.
Your intuition about indexing might be broken. Here's how to use indexing to optimize database search performance.
A primer on database replication.
Replicating a database can make our applications faster and increase our tolerance to failures.
You can probably do it in SQL.
All that code you're writing? You may as well do it in SQL.
A very short guide to choosing between MySQL and PostgreSQL.
While MySQL and PostgreSQL have many things in common, you should make sure you understand the differences between them in order to make sure you select the right one for your specific application.