Database Insights

Use Spark with JDBC to read from and write to relational databases — partition strategies, predicate pushdown, and write modes

Build a production-grade PostgreSQL HA stack using Patroni for failover and HAProxy for connection routing

A production guide to PostgreSQL full-text search — building tsvector generated columns, GIN indexes, multi-column search with setweight, ts_rank scoring, websearch_to_tsquery, and comparison against Elasticsearch.

Replicate OLTP databases to analytical warehouses — CDC, bulk load, incremental sync, and schema evolution handling

Master MySQL index data structures and optimization strategies. Learn B+ tree internals, index selection, covering indexes, and real-world performance case studies.

A production guide to AWS RDS Proxy — how it works, when to use it, IAM authentication setup, and the connection pool sizing rules that prevent Lambda-induced database overload.

PostgreSQL PITR lets you recover your database to any point in time — down to the second — by replaying WAL segments on top of a base backup. Here's how to set it up correctly.

Monitor PostgreSQL streaming replication lag, replication slots, and standby health to ensure HA readiness

Build full-text search with MongoDB Atlas Search — analyzers, scoring, autocomplete, and relevance tuning

A production guide to TimescaleDB — hypertable setup, automatic chunk management, columnar compression policies, retention policies, continuous aggregates with time_bucket(), and comparison against InfluxDB and Prometheus.

Analyze real-world database schema designs from companies like Netflix, Uber, and Airbnb. Learn practical patterns for e-commerce, social media, and IoT applications.

Build a MySQL CDC pipeline using binlog and Kafka — Debezium, Maxwell, or Canal — trade-offs and production setup