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Advanced data federation and cost-based optimization using Apache Calcite and Spark SQL (sponsored by DataScience). Jason Slepicka (DataScience)
Getting Started with SQL Certification
Here’s a roadmap to begin your SQL journey:
Learn the Basics – Understand relational databases, tables, queries, and joins.
Practice Regularly – Use free platforms like SQLZoo, LeetCode, or set up MySQL locally.
Choose the Right Certification – Based on your career goals (Microsoft, Oracle, IBM, etc.).
Prepare with Study Materials – Books, online courses, and official guides.
Attempt Practice Tests – Build confidence before the real exam. Get more info, click here...