--- title: What is a Data Warehouse? (Database vs. Data Warehouse... description: A beginner-friendly explanation of the differences between databases and data warehouses. Covers OLTP vs OLAP processing, normalized vs denormalized storage,... canonical: https://daily.dev/posts/what-is-a-data-warehouse-database-vs-data-warehouse-explained--jejem7hxk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: What is a Data Warehouse? (Database vs. Data Warehouse Explained) | daily.dev og:description: A beginner-friendly explanation of the differences between databases and data warehouses. Covers OLTP vs OLAP processing, normalized vs denormalized storage,... og:url: https://daily.dev/posts/what-is-a-data-warehouse-database-vs-data-warehouse-explained--jejem7hxk og:image: https://api.daily.dev/og/posts/JEjeM7HXk.png og:image:alt: What is a Data Warehouse? (Database vs. Data Warehouse Explained) og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # What is a Data Warehouse? (Database vs. Data Warehouse Explained) **[techTFQ](https://daily.dev/sources/techtfq)** · 15 min read · 0 upvotes · 0 comments ## Summary A beginner-friendly explanation of the differences between databases and data warehouses. Covers OLTP vs OLAP processing, normalized vs denormalized storage, and when to use each system. Uses a school notebook analogy and a banking use case to illustrate how companies use multiple operational databases alongside a central data warehouse (e.g., Snowflake, BigQuery, Redshift) for analytics and reporting. Also touches on fact/dimension tables and star schema concepts. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Operational databases: How they work and when to use them](https://daily.dev/posts/operational-databases-how-they-work-and-when-to-use-them-ocrjdxuv4) · databricks · 0 upvotes · 0 comments - [Data Lakes vs Data Warehouses: What Your Organization Needs to Know](https://daily.dev/posts/data-lakes-vs-data-warehouses-what-your-organization-needs-to-know-3tc5brqlb) · databricks · 1 upvotes · 0 comments - [Data Modeling for Analytics Engineers: The Complete Primer](https://daily.dev/posts/data-modeling-for-analytics-engineers-the-complete-primer-8nszidmhk) · Towards Data Science · 1 upvotes · 0 comments --- Tags: [#backend](https://daily.dev/tags/backend), [#data-warehouse](https://daily.dev/tags/data-warehouse), [#olap](https://daily.dev/tags/olap) [View this post on daily.dev](https://daily.dev/posts/what-is-a-data-warehouse-database-vs-data-warehouse-explained--jejem7hxk) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"What is a Data Warehouse? 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