A practical guide to how databases work, covering schema design, SQL, indexing, transactions, concurrency, caching, pagination, and database selection.

See the TIOBE Index for September 2026, with Python still No. 1, Rust holding the top 10, and Julia nearing a return to the top 20. Rust held onto its place in the TIOBE Index top 10 in August 2026 ...

Learn SQL basics in just 15 minutes with this tutorial focused on using SQL with MySQL. Topics covered include: - What SQL is and an overview of relational database management systems - Installing MyS ...

Robbie has been an avid gamer for well over 20 years. During that time, he's watched countless franchises rise and fall. He's a big RPG fan but dabbles in a little bit of everything. Writing about ...

Have you ever wondered whether the language you speak influences the way you see the world? Well, according to a number of studies in psycholinguistics, cognitive psychology and linguistic ...

Hi again! It’s Grace, your favorite American in Oxford. Today, I’m going to talk about what many consider to be the main attraction of Oxford: the famous tutorial system. Essentially, instead of ...

You’ve learned the fundamentals of computer science. You have learnt a new programming language and understand the elements of machine learning and artificial intelligence. You're starting to see all ...

Structured Query Language (SQL) is a standardized programming language that is used to manage relational databases and perform various operations on the data in them. Initially created in the 1970s, ...

Open body language, such as standing upright without crossing your arms or making eye contact, can send a message to others that you’re trustworthy and willing to engage in conversations. Body ...