Database Insights

Design multi-tenant databases — compare schema-per-tenant, row-level-security, and database-per-tenant approaches

Debezium reads MySQL binary logs and PostgreSQL WAL to stream every row-level change as a Kafka event in near real-time — replacing nightly batch ETL with sub-second data propagation.

A complete guide to MySQL JSON functions — JSON column type, JSON_EXTRACT and arrow operators, JSON_SET vs JSON_INSERT vs JSON_REPLACE vs JSON_MERGE_PATCH, functional indexes, and multi-valued indexes for arrays.

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.

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

Reduce AWS RDS MySQL costs by 40-60% with proven optimization strategies. Learn Reserved Instance planning, right-sizing, storage optimization, and read replica strategies.

A production guide to MySQL full-text search — FULLTEXT index creation, MATCH AGAINST in natural language and boolean modes, the 50% rule, InnoDB vs MyISAM FTS, combining with B-tree indexes, and comparison against Elasticsearch.

Use MySQL Performance Schema to profile queries, monitor memory, and diagnose bottlenecks without guesswork

Monitor MySQL and PostgreSQL with Prometheus, Grafana, and PMM. Covers mysqld_exporter, postgres_exporter, alert rules, and production dashboard configuration.

Set up MySQL Orchestrator for automatic failover, topology discovery, and master election at scale

Secure your MySQL and PostgreSQL databases — TLS, at-rest encryption, role-based access, and audit logging