SQL Video Tutorials
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SQL is the ubiquitous, standardized language for defining, querying, and managing structured data within relational database systems, which underpin vast numbers of modern applications. It enforces data integrity through schema and transactions, providing the reliable foundation necessary for high-stakes operations like e-commerce and finance. Proficiency in SQL is not just for database administrators; it is a foundational and portable skill for any developer working on the back-end, data analysis, or full-stack architecture.