"Why You Should Learn SQL" It's old (1974, which is probably why it's traditionally SHOUTED), strange (declarative, which is why SQL query optimizers are so good), and important (it will stop application bugs from putting invalid data in your database).https://www.executeprogram.com/blog/why-you-should-learn-sql …
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An imperative program has to be followed exactly, but a declarative one allows for any implementation that satisfies the request.
This is filled with astrisks since compilers (and your CPU) do aggressively reorder instructions for efficiency or to enable other optimizations
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Definitely, the compiler and CPU have a lot of magic behind the scenes, and it can go horribly wrong, like in the case of speculative execution.
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