Database indexing and optimization tools - Care for your databasehttps://querydoctor.com/https://querydoctor.com/blog/covered-queries/https://querydoctor.com/blog/covered-queries/Indexes tell databases where to find information that it is looking for. Under the right circumstances, the index can save the database even more time by providing the requested information directly.Fri, 26 May 2023 00:00:00 GMThttps://querydoctor.com/blog/dont-use-the-index/https://querydoctor.com/blog/dont-use-the-index/Indexes are incredible, but not magical. There are times when they should not be used. Forcing a database to use one when it doesn't naturally want to could cause performance to get worse.Fri, 06 Jan 2023 00:00:00 GMThttps://querydoctor.com/blog/index-ray-intro/https://querydoctor.com/blog/index-ray-intro/Today we introduce IndeX-Ray™ which is a simple, intuitive, and powerful way to visualize indexes inside of databases!Sat, 08 Jul 2023 00:00:00 GMThttps://querydoctor.com/blog/postgresql-explain-quirks/https://querydoctor.com/blog/postgresql-explain-quirks/PostgreSQL's EXPLAIN command contains detailed information about many aspect of a query's execution plan. But one particular set of information is curiously absent.Wed, 15 Jan 2025 00:00:00 GMThttps://querydoctor.com/blog/tracing-codexs-640tb-year-sqlite-writes/https://querydoctor.com/blog/tracing-codexs-640tb-year-sqlite-writes/Instrumenting the Codex binary at runtime to see what queries it's making to the DBThu, 25 Jun 2026 00:00:00 GMThttps://querydoctor.com/blog/what-is-an-index/https://querydoctor.com/blog/what-is-an-index/Indexes are the core component that drive efficient database performance. How do they do it?Fri, 05 May 2023 00:00:00 GMT