SQL has a fairly simple and clear syntax, but this does not prevent many novice developers to make mistakes in the organization of the database structure and query.

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The guide will introduce you to the basics of SQL, popular problems and their solution.

The book covers the following topics:
✔ working with SELECT;
✔ working with WHERE;
✔ GROUP BY, HAVING;
✔ ORDER BY;
✔ JOIN and more.

Advantages:
➕ numerous examples;
➕ tips from the author.

 

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