Database Performance Tuning
Learn to find and fix database bottlenecks in SaaS through indexing, query analysis, connection pooling, and read replicas.
The Database Bottleneck
As SaaS scales, the database is usually the first thing to slow down. Application servers scale easily, but a single database can become a choke point.
This lesson covers practical techniques to keep queries fast under load.
Indexes Explained
An index is a sorted data structure that lets the database find rows without scanning the whole table.
Without an index, a lookup is a full table scan; with one, it is a fast tree search.
CREATE INDEX idx_users_email ON users (email);
-- now WHERE email = ? is fastAll lessons in this course
- Advanced Caching Strategies
- CDN & Edge Computing
- Cloud Cost Optimization
- Database Performance Tuning