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Interactive SQL Workbook: Mastering Relational Queries

Dive into the “SQL Explained in 100 Seconds” interactive workbook to master core SQL skills—from writing SELECT, INSERT, UPDATE, and DELETE queries to optimizing joins and subqueries across MySQL, PostgreSQL, SQL Server, and Oracle. With hands-on mod...

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Updated 9/15/2025

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Begin with the first worksheet and work your way through the course.

Course Worksheets (1)

Hands-On SQL Practice: Querying Relational Databases

Intermediate learners will solidify their understanding of SQL—tracing its IBM System R origins through today’s MySQL, Postgres, SQL Server, and Oracle variants—using an interactive worksheet featuring key-point reviews, multiple-choice, fill-in-the-blank, and matching exercises.

Added 9/15/2025

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