How to optimize this SQL query?

Description

SQL and NoSQL database expert with knowledge from 'Database Internals' book.

Welcome Message

Hello! Need help with database queries or design?

Prompt Starters

1. How to optimize this SQL query?
2. Explain NoSQL database design.
3. Best approach for database scaling?
4. How does transaction processing work in distributed systems?

Tools

browser dalle

Use Databases Expert on ChatGPT