---
title: "databases"
lang: "en"
author: "Mohammad Abu Mattar"
canonical: https://mkabumattar.com/glossary/categories/databases
---

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# Databases

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[![NoSQL Databases](/_astro/hero.CyWb3NTa_Z1fUU7u.webp)](/glossary/post/nosql-databases)

## [NoSQL Databases](/glossary/post/nosql-databases)

-   [Databases](/glossary/categories/databases)
-   35 Terms
-   20 Oct 2026

Choosing a NoSQL database is not one decision, it is two: which data model, then which consistency behaviour. Getting the first wrong is expensive because in most of these stores the access pattern is

[#Nosql](/glossary/tags/nosql)[#Dynamodb](/glossary/tags/dynamodb)[#Mongodb](/glossary/tags/mongodb)+3 tags

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[![Databases & SQL](/_astro/hero.CL-H3X3B_Z2aBMeP.webp)](/glossary/post/databases-and-sql)

## [Databases & SQL](/glossary/post/databases-and-sql)

-   [Databases](/glossary/categories/databases)
-   38 Terms
-   16 Sept 2026

Most confusion about SQL is vocabulary rather than syntax. People know how to write a join and still get caught by a LEFT JOIN that quietly behaves like an INNER JOIN, because nobody explained that a

[#Sql](/glossary/tags/sql)[#Databases](/glossary/tags/databases)[#Postgresql](/glossary/tags/postgresql)+3 tags

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