Database design, optimization, replication, scaling, and data architecture.
Scale beyond a single database server with sharding. Learn partition strategies, routing, and cross-shard query patterns.
Optimize database connections with pooling. Configure PgBouncer, understand pool sizing, and troubleshoot connection issues.
Scale reads and improve availability with database replication. Compare single-leader, multi-leader, and leaderless approaches.
Master database indexing to dramatically improve query performance. Learn index types, composite indexes, and when indexing hurts.
Slow queries killing your app? Learn practical techniques to optimize database performance.
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