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MySQL Generated Columns: Speed Up JSON Queries and Clean Up Your Schema
Learn how to use MySQL Virtual and Stored Generated Columns to fix slow JSON queries and automate database logic with real-world performance metrics.
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Beyond OFFSET: Why Cursor-Based Pagination is the Only Way to Scale APIs
Is your API slowing down as your database grows? Discover why OFFSET is a performance killer and how to implement O(1) cursor-based pagination for massive datasets.
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PostgreSQL Job Queue with SKIP LOCKED and Advisory Locks: Background Tasks Without Redis or RabbitMQ
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.
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Stop Writing CRUD: Build a REST API Directly from PostgreSQL with PostgREST
Stop writing repetitive backend code. Learn how to use PostgREST to transform your PostgreSQL schema into a high-performance, secure REST API in minutes.
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Mastering Database Replication Lag: Monitor, Diagnose, and Fix Sync Delays in PostgreSQL and MySQL
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.
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Sub-Second Analytics at Scale: A Hands-on Guide to Apache Druid
Build a high-performance real-time analytics system with Apache Druid. This guide covers everything from local setup and Kafka streaming to advanced OLAP tuning for sub-second queries.
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Deploying OpenSearch on Docker: A Guide to Full-Text Search and Log Analytics
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.
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PlanetScale Serverless Database: Zero-Downtime Schema Migration with Branching
PlanetScale brings Git-style branching to MySQL, making schema migrations non-blocking and reviewable. This guide walks through the deploy request workflow, practical CLI commands, and real-world tips for zero-downtime database changes.
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MySQL Performance Schema: Diagnose Slow Queries with Internal Statistics Tables
MySQL Performance Schema exposes 80+ internal statistics tables that reveal slow queries, lock waits, and I/O bottlenecks — no external tools required. This guide covers the key tables, practical SQL queries, and a Python script to build a baseline monitoring system from six months of production experience.
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Beyond the Spinner: Building Resilient Offline-First Apps with PouchDB and CouchDB
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.