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Featured course

SQL & PostgreSQL for Beginners

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Level up your SQL fundamentals, master joins and window functions, and deploy production-ready PostgreSQL databases with hands-on projects.

  • 50+ bite-sized lessons covering SQL + PostgreSQL
  • Real-world analytics and backend practice exercises
  • Lifetime access with downloadable resources
Visit the Udemy Course →

Featured course

Relational Database Design Bootcamp

Relational Database Design Bootcamp course thumbnail

Master the art of designing efficient, scalable relational databases. Learn normalization, entity relationships, and best practices for database architecture.

  • Comprehensive database design principles
  • Normalization and schema optimization techniques
  • Real-world design patterns and case studies
Visit the Udemy Course →

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  • employees - id, name, email, department_id, salary, hire_date
  • products - id, name, category, price, stock_quantity
  • orders - id, product_id, quantity, order_date, customer_name
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Practical SQL

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