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SQL in Action: Real-World Examples for Beginners

Learn SQL Through Everyday Scenarios

1. Finding Top Products on Amazon 🛍️

Want to know which products are bestsellers? Here's how:

SELECT product_name, price, total_sales, rating FROM products WHERE rating >= 4.0 ORDER BY total_sales DESC LIMIT 5;
This simple query shows:
  • Product names
  • Their prices
  • Total sales
  • Only highly-rated items (4+ stars)

2. Netflix Viewing History 📺

Finding what genres you watch most:

SELECT genre, COUNT(*) as shows_watched FROM watch_history WHERE watch_date >= '2024-01-01' GROUP BY genre ORDER BY shows_watched DESC;
This helps you discover:
  • Your favorite genres
  • How many shows you've watched
  • Your 2024 viewing patterns

3. Instagram Post Analysis 📱

Understanding which posts get more likes:

SELECT post_type, AVG(likes) as avg_likes, COUNT(*) as total_posts FROM posts GROUP BY post_type;
Shows you:
  • Average likes per post type
  • Whether photos or videos perform better
  • How many posts of each type you've made

Quick Tips for Beginners 💡

  • Start with simple SELECT queries
  • Practice with small datasets first
  • Use ORDER BY to organize results
  • Learn GROUP BY for basic analytics
#SQLBasics #BeginnerTech #DataSkills #LearnSQL