Why PostgreSQL EXPLAIN ANALYZE Can Mislead You — and What to Use Instead
EXPLAIN ANALYZE is the standard tool for understanding how PostgreSQL runs a query. It shows the chosen plan, estimated and actual row counts, and exe…
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How to Connect Power BI to Aiven PostgreSQL Using ODBC (Step-by-Step Guide)
Introduction I tried connecting Power BI directly to a PostgreSQL database on Aiven and run into this frustrating error: The remote certificate is inv…
Deploy to PostgreSQL with drm-cli + Liquibase: A Step-by-Step Guide
Handling Failures and Retries Deployments fail. Network blips, permission issues, a bad changeset that passes review and breaks in production — it hap…
SQL Window Functions and CTEs
You can do quite a lot with some of the most popular SQL queries such as SELECT, WHERE, and JOIN. But there exists some question that you cannot answe…
Indexing Strategies for Faster Database Queries
TL;DR Indexes = direct lookups — milliseconds vs full table scans (seconds). B-tree for most queries — Supports = , < , > , BETWEEN , LIKE 'pref…
Mastering the SQL Analytical Toolkit
As a budding data professional, I recently completed an intensive SQL Week 2 Assignment that pushed me from basic queries into more powerful territory…
ActiveForge - Active Record ORM
Table of Contents The Active Record Pattern Architecture Overview Entities — Record and IdentityRecord Field Types (TField System) DataConnection — Th…