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SQL

SQL is the most used language for interacting with databases. It stands for Structured Query Language, and does exactly what it promises: allow you to write well-structured programs for your databases. With those databases you could start a blog, a web shop, an online game, a website that allows users to create accounts, and much more!

Prerequisites: A tiny bit of (server-side) programming knowledge could be useful.

[SQL] Functions

One of the most important aspects of any programmi...

[SQL] Subqueries

I’ve mentioned subqueries quite a few times ...

[SQL] Security & Optimization

I already scattered pieces of optimization wisdom ...

[SQL] Conclusion: what now?

You’ve seen all the fundamental features of ...

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