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Learn the basics of Python, SQL and languages on your phone. Here are the top apps for aspiring coders and engineers.

Discover how to effectively learn SQL using ChatGPT, a powerful language model. Level up your SQL skills today!

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types.

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...