Databases

Why graph databases exist, when to use them, and how they differ from relational databases. Learn nodes, edges, and relationship-first querying.

Databases power your apps, store your photos, and process your payments, but do you understand their core concepts? If you work with data, you need to master database fundamentals.

Learn Amazon Athena to save money on your big data analysis needs. It's simple, fast, and relatively cheap compared to other technologies.