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Databases & SQL

29 lessons · 169 glossary terms · 145 practice questions — Covers Foundations.

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Foundations29 lessons

  1. What a Database Is9 min
  2. Relational Databases9 min
  3. Tables8 min
  4. Rows: One Record at a Time9 min
  5. Columns9 min
  6. Data Types9 min
  7. Primary Keys9 min
  8. Foreign Keys9 min
  9. Relationships9 min
  10. One-to-One8 min
  11. One-to-Many9 min
  12. Many-to-Many9 min
  13. Database Normalization9 min
  14. SQL Basics9 min
  15. SELECT8 min
  16. WHERE: Filtering Rows8 min
  17. ORDER BY8 min
  18. LIMIT8 min
  19. INSERT8 min
  20. UPDATE: Changing Existing Rows8 min
  21. DELETE: Removing Rows8 min
  22. Aggregate Functions8 min
  23. GROUP BY: Summaries per Group8 min
  24. JOIN9 min
  25. Subqueries8 min
  26. Indexes9 min
  27. Transactions: All-or-Nothing Operations8 min
  28. Data Integrity9 min
  29. Database Security9 min