Why SELECT * is dangerous

At a glance, SELECT * looks convenient.
It works. It returns data. It passes tests.
That’s exactly why it’s dangerous.
As your data grows, this simple query starts pulling more than you need - increasing memory usage, slowing performance, and adding hidden cost.
In production systems, queries don’t fail loudly.
They degrade silently.
Learn why experienced engineers avoid SELECT * and how small decisions scale into real system impact.

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Видео Why SELECT * is dangerous канала TheDailyCommit