SQLancer
SQL Interview Simulator

🏢 SQL Company Challenges

Hone your query skills with mock interview challenges from top tech companies.

COMPANIES:

🗂️ Company Dataset Tables

📁 sellers
  • seller_id INT (PK)
  • seller_name VARCHAR
  • country VARCHAR
📁 products
  • product_id INT (PK)
  • product_name VARCHAR
  • category VARCHAR
  • price DECIMAL
📁 customers
  • customer_id INT (PK)
  • customer_name VARCHAR
  • email VARCHAR
📁 orders
  • order_id INT (PK)
  • customer_id INT (FK)
  • order_date DATE
  • status VARCHAR
📁 order_items
  • order_id INT (FK)
  • product_id INT (FK)
  • quantity INT
  • seller_id INT (FK)
📁 reviews
  • review_id INT (PK)
  • product_id INT (FK)
  • rating DECIMAL
  • comment VARCHAR
📁 shipments
  • shipment_id INT (PK)
  • order_id INT (FK)
  • carrier VARCHAR
  • delivery_date DATE
SQL CONSOLE
SQL Native Engine

📊 Query Results

Run query to fetch results.

🎯 Expected Output

🏢 SQL Challenges