A Query Takes 30 Seconds -Should You Upgrade the Database?
A 30-second query is almost always a code problem. Fix missing indexes, N+1 queries, and bad joins with EXPLAIN ANALYZE before scaling hardware.
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A 30-second query is almost always a code problem. Fix missing indexes, N+1 queries, and bad joins with EXPLAIN ANALYZE before scaling hardware.
Disclosure: I build Schemity, a desktop ERD tool - this post is from our blog and uses it for the examples. TL;DR: We put two real SQLite schemas, Campfire (Rails 8) and Jellyfin...
Generated SQL that runs looks like generated SQL that works. In this test every query executed cleanly and fewer than four in ten returned the right number.
Originally appeared on Noteflakes.I’ve always been interested in the design of ORMs - I wanted to know how they work, what the different approaches are, and how they can be used. I...
Introduction SQL is an essential tool for anyone learning data analysis. It allows us to retrieve, filter, organize, and analyze information stored in relational databases. Whe...
Originally appeared on The Rails Tech Debt Blog.RFC 10008, published in June 2026, defines the QUERY method as safe and idempotent like GET, and it carries its query in the request...
Databricks system tables provide a wealth of information into how you use Databricks and what it costs....
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