Optimistic Locking With Watch

# Optimistic Locking With WATCH in Redis: A Comprehensive Guide Imagine you're building a high-traffic e-commerce site. Multiple users might try to purchase the last available item simultaneously. How do you prevent overselling and ensure data consistency? The answer lies in optimistic locking, and in Redis, it’s elegantly implemented using the `WATCH` command within transactions. This guide will walk you through understanding and implementing optimistic locking with `WATCH` in Redis, ensuring