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is this app useful for someone looking to become a DBA with no prior knowlege in this field?
2 Answers
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The SQL module here just teaches you the basics according to my opinion. You will learn how to write simple queries and thats it
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As Nadeem said, you'll get a basic understanding of SQL. Afterwards, you'll want to seek out other resources to further learn, and you'll want to do a lot of practicing with it so you can become good at writing queries.