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SQL is the world’s most popular language for managing and manipulating databases. Today, Codecademy launched a free Learn SQL interactive course that will teach you the basics of tables, queries, ...

In Introduction to Oracle 11g PL/SQL Programming training, students write stored procedures, functions, packages, and triggers, and implement complex business rules in Oracle. They learn programming, ...

Learners can access these courses by visiting the official website. Harvard University offers a variety of free, self-paced online courses designed to help individuals expand their knowledge in ...