https://spaghetti-code.net/en/tags/database/ Recent content in Database on Spaghetti Code 🍝 https://spaghetti-code.net/images/og-default.png https://spaghetti-code.net/images/og-default.png Hugo -- 0.160.0 en Sat, 31 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/databases/database-transactions-acid/ Sat, 31 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/databases/database-transactions-acid/ What a database transaction actually guarantees, the four ACID properties, and how isolation levels trade consistency for concurrency, with real SQL examples. https://spaghetti-code.net/en/posts/databases/sql-join-types/ Fri, 02 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/databases/sql-join-types/ Every SQL JOIN type run against two real tables, with the actual result rows printed, plus the three join bugs that quietly return the wrong rows or totals. https://spaghetti-code.net/en/posts/databases/how-database-indexes-work/ Sun, 27 Sep 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/databases/how-database-indexes-work/ How a database index turns a full table scan into a fast lookup, reading real EXPLAIN ANALYZE output, composite index column order, and what an index costs.