database Archives

PostgreSQL Job Queue with SKIP LOCKED and Advisory Locks: Background Tasks Without Redis or RabbitMQ

July 20, 2026

Learn how to build a reliable background job queue using PostgreSQL's SKIP LOCKED and Advisory Locks — no Redis or RabbitMQ required. Covers worker implementation in Python, retry logic with exponential backoff, per-resource locking, and queue monitoring using plain SQL.

Database

Mastering Database Replication Lag: Monitor, Diagnose, and Fix Sync Delays in PostgreSQL and MySQL

July 19, 2026

Database replication lag can silently corrupt your users' experience — orders appearing unpaid, inventory showing wrong counts. This guide covers how to monitor replication lag in PostgreSQL and MySQL, diagnose the root cause across network, disk, and query layers, and apply targeted fixes including parallel replication and WAL tuning.

Database

Deploying OpenSearch on Docker: A Guide to Full-Text Search and Log Analytics

July 19, 2026

Ditch slow SQL queries. This guide shows you how to set up OpenSearch and Dashboards using Docker for high-performance full-text search and log analytics.

HomeLab

Self-Host NocoDB: Turn Your Docker Volumes into a Private Airtable Clone

July 16, 2026

Ditch the spreadsheets. Learn how to deploy NocoDB on Docker for a self-hosted, no-code database that makes HomeLab inventory and task management effortless.

Database

Beyond the Spinner: Building Resilient Offline-First Apps with PouchDB and CouchDB

July 13, 2026

Don't let spotty internet ruin your user experience. This guide shows you how to use PouchDB and CouchDB to build apps that work perfectly offline and sync automatically when back online.

Database

Time Travel in SQL: Using Temporal Tables in MariaDB and PostgreSQL

July 12, 2026

Don't let accidental updates ruin your night. Discover how to implement 'Time Travel' queries in MariaDB and PostgreSQL to recover data instantly and automate your audit trails.

Database

Beyond Schema Migrations: Mastering MySQL Document Store with X DevAPI

July 12, 2026

Transform MySQL into a powerful NoSQL database. Learn how to use the X DevAPI to manage JSON collections, perform schema-less CRUD, and join NoSQL data with SQL tables.

Database

Hasura GraphQL Engine: Auto-Generate GraphQL API from PostgreSQL Without Writing Backend Code

July 1, 2026

After six months running Hasura GraphQL Engine in production, it's replaced the bulk of hand-written CRUD code in our PostgreSQL-backed projects. This guide covers setup with Docker, row-level security without middleware, and realtime subscriptions — all without writing a single backend resolver.

Database

PostgreSQL pg_trgm: Build Fuzzy Search, Typo-Tolerant Queries, and Autocomplete with Trigram Indexes

June 28, 2026

Learn how to use PostgreSQL's pg_trgm extension to build fuzzy search that handles typos, powers autocomplete, and accelerates LIKE queries with trigram indexes. Includes practical GIN index setup, similarity threshold tuning, and hybrid search patterns.

Machine Learning Directly in PostgreSQL: Train and Predict Using SQL

June 25, 2026

Stop moving data. Learn how to train and deploy XGBoost and Scikit-learn models directly inside PostgreSQL using PostgresML and standard SQL queries.