Database Synchronous vs Asynchronous IO

Hussein Nasser’s latest deep-dive video unpacks how databases handle IO—comparing blocking (synchronous) vs non-blocking (asynchronous) operations and why it matters for performance. Catch the full episode on YouTube and level up your backend knowledge with his OS, Node.js, networking, database, NGINX, Python, and troubleshooting courses (all linked with handy coupons).

Beyond tutorials, you’ll find links to his Medium posts, Arabic software engineering channel, members-only content, a podcast, and even a “buy me a coffee” page. Whether you’re just curious or building high-scale backends, there’s something here to boost your skills.

Watch on YouTube