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hi, I am new here...are the courses provided by this app firm free and to what level... like how much would I learn intermediate or upto advanced?
4 ответов
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They are free. I am not sure if that will change. The SQL course covers the basics.
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you can find these corresponding lessons from this instructor on YouTube , maybe it will help you visually ! :)
https://m.youtube.com/playlist?list=PL32BC9C878BA72085
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Most of what you need to learn are provided.
More advanced things such as SQL functions are not as they are tied heavily to the DB engine, this tutorial is mainly SQL itself and MySQL which is one of the most common DB engines for websites (MariaDB is a drop in replacement for MySQL)
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Halil