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How database indexing actually works internally?
| | rcoh.me
Postgres Indexes Under the Hood
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| | Many software engineers use database indexes every day, but few of us really understand how they work. In this post I'll explain: How indexing works in Postgres using B-Trees What B-Trees are Why they are a good fit for this problem Indexes in Postgres Postgres actually offers 4 different kinds of indexes for different use cases. In this post I'll be focusing on the "normal" index, the kind you get by default when you run create index.
| | ankane.org
Introducing Dexter, the Automatic Indexer forPostgres
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| | Your database knows which queries are running. It also has a pretty good idea of which indexes are best for a given query. And since indexes don't...
| | stribny.name
Scaling relational SQL databases
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| | A list of things that we can do when we need to scale a SQL database.
| | www.crunchydata.com
Why Covering Indexes in Postgres Are Incredibly... | Crunchy Data Blog
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| Covering indexes in PostgreSQL are an incredibly helpful feature that can help improve the performance of your application when used correctly. This article demonstrates how an application that collects time-series and geospatial data is able to use covering indexes to boost performance.