Database Insights

Use pg_cron to schedule SQL jobs inside PostgreSQL. Covers installation, cron syntax, partition maintenance, materialized view refresh, job monitoring, and RDS setup.

Learn how to convert a standalone PostgreSQL instance to a Patroni high-availability cluster with etcd. Step-by-step guide covering installation, configuration, and failover testing.

Compare Liquibase and Flyway for schema migration management — features, abstraction level, and team fit

Use Apache Airflow to orchestrate database ETL, backup jobs, and maintenance tasks — DAGs, sensors, and best practices

Implement the transactional outbox pattern to publish events reliably from MySQL or PostgreSQL without dual-write problems

Compare Delta Lake, Apache Iceberg, and Apache Hudi — ACID transactions, time travel, and format interoperability

Use dbt to build modular SQL transformations — models, tests, documentation, and CI/CD for your data warehouse

Compare CDC, ETL, and ELT — latency, complexity, cost, and when each pattern fits your data pipeline needs

Use Kafka Connect source and sink connectors to stream data between databases, warehouses, and event systems

Compare ScyllaDB and Apache Cassandra — throughput, latency, operational complexity, and when to switch

FoundationDB powers Apple iCloud and Snowflake's metadata layer with ACID transactions across distributed nodes. Learn how its ordered key-value core, layer architecture, and simulation testing deliver unmatched reliability.

DuckDB brings OLAP query performance to your Python process without a server or cluster. Learn how to query Parquet files, replace heavy ETL jobs, and run analytics directly against PostgreSQL.