Slow SQL queries can grind even the most advanced Node.js APIs to a halt. When building SaaS boilerplates or web templates, ensuring database transactions complete in milliseconds is vital to retaining users.
In this guide, we cover simple, high-impact strategies to optimize your queries, including database indexing, query logging, connection pooling, and payload caching.
1. Leverage Connection Pooling
Establishing a new database connection for every API request introduces heavy TCP handshake latency. Use connection pools to reuse active pathways and keep responses extremely fast.
