https://neatguycoding.com/categories/database/Recent content in Database on Neat Guy CodingHugo -- gohugo.ioen© 2026 NeatGuyCodingWed, 01 May 2024 00:00:00 +0000https://neatguycoding.com/posts/pgsql-mysql/Wed, 01 May 2024 00:00:00 +0000https://neatguycoding.com/posts/pgsql-mysql/A comprehensive comparison of PostgreSQL and MySQL for OLTP scenarios, exploring their fundamental architectural differences in secondary index handling and MVCC implementation, with practical insights on when to choose each database.https://neatguycoding.com/posts/recreate_table/Fri, 27 May 2022 00:00:00 +0000https://neatguycoding.com/posts/recreate_table/A comprehensive guide to understanding why MySQL queries slow down over time in sharded environments, exploring the underlying causes of storage fragmentation and MVCC-related issues, and providing practical solutions using table rebuilding techniques with OPTIMIZE TABLE for maintaining optimal database performance.https://neatguycoding.com/posts/sql-index/Thu, 24 Feb 2022 00:00:00 +0000https://neatguycoding.com/posts/sql-index/A deep dive into MySQL’s InnoDB optimizer statistics and how sampling inaccuracies can lead to poor index selection, causing dramatic performance differences between similar queries. Learn practical solutions to prevent slow SQL queries caused by optimizer misjudgments.https://neatguycoding.com/posts/big-table-index-invalid/Sat, 07 Aug 2021 00:00:00 +0000https://neatguycoding.com/posts/big-table-index-invalid/When our operations team brought us a complex SQL query that was taking forever to execute, we thought it was just a performance issue. Little did we know, this investigation would uncover a deeply hidden character encoding mismatch that had been silently causing full table scans in our production database.