Practicing SQL GROUP BY and HAVING with a Fictional Household Account Book: How I Finally Understood the Difference from WHERE

When I started learning SQL, I managed to get through SELECT and WHERE, but the first things that stopped me in my tracks ...
shiksha.com

PostgreSQL for Everybody Specialization

This is a comprehensive program designed to teach participants how to use PostgreSQL, one of the most powerful and popular open-source relational database systems This specialization covers ...
GitHub

schema-design

Schema-based Form Generator - Vue.js 2.0 Component based on Vuetify 2.0 PostgreSQL schema and Flask REST API for a cryptocurrency exchange: 22 tables spanning custody, markets, and order-book/OTC/P2P ...
GitHub

claude-code-plugins

Free, local plugin that keeps tool output out of your coding agent's context window. Sandbox and SQLite FTS5 search, 99% fewer bytes in context. Works with Claude Code, Codex, Pi, OpenCode, Gemini CLI ...