A comprehensive guide to Structured Query Language (SQL), covering everything from the foundational principles of relational databases and core DDL/DML commands to advanced querying techniques like CTEs and window functions. This guide also explores performance optimization, compares popular SQL dialects like PostgreSQL and MySQL, and provides a clear path forward for aspiring data professionals to master the essential language of data.
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A comprehensive guide to Structured Query Language (SQL), covering everything from the foundational principles of relational databases and core DDL/DML commands to advanced querying techniques like CTEs and window functions. This guide also explores performance optimization, compares popular SQL dialects like PostgreSQL and MySQL, and provides a clear path forward for aspiring data professionals to master the essential language of data.
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