--- title: Improve your SQL skills X2 in 5 minutes | daily.dev description: Learn how to advance your SQL skills by working with CTEs and window functions. Discover the importance of SQL for managers and how it can help answer business... canonical: https://daily.dev/posts/improve-your-sql-skills-x2-in-5-minutes-y4kbl9kze twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Improve your SQL skills X2 in 5 minutes | daily.dev og:description: Learn how to advance your SQL skills by working with CTEs and window functions. Discover the importance of SQL for managers and how it can help answer business... og:url: https://daily.dev/posts/improve-your-sql-skills-x2-in-5-minutes-y4kbl9kze og:image: https://api.daily.dev/og/posts/y4Kbl9kze.png og:image:alt: Improve your SQL skills X2 in 5 minutes 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. # Improve your SQL skills X2 in 5 minutes **[Community Picks](https://daily.dev/sources/community)** · 6 min read · 419 upvotes · 9 comments ## Summary Learn how to advance your SQL skills by working with CTEs and window functions. Discover the importance of SQL for managers and how it can help answer business questions and assist with technical designs. Explore the different types of window functions available in SQL. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@okhlaoma** · 3 upvotes > Jai Shri Ram **@shivanand90** · 2 upvotes > good article for adv SQL. :) **@italantainu** · 2 upvotes > Thanks for the explanations and examples. These really helped me today explain both learning curves and possibilities with SQL to a couple of students today - and I even learned some stuff myself too <3 **@pixelbauer** · 1 upvotes > perfect timing for the right article :D **@ghost** · 0 upvotes > Thanks for sharing! ^^ ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#database](https://daily.dev/tags/database), [#sql](https://daily.dev/tags/sql) [View this post on daily.dev](https://daily.dev/posts/improve-your-sql-skills-x2-in-5-minutes-y4kbl9kze) ```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":"Improve your SQL skills X2 in 5 minutes","url":"https://daily.dev/posts/improve-your-sql-skills-x2-in-5-minutes-y4kbl9kze","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/improve-your-sql-skills-x2-in-5-minutes-y4kbl9kze"},"datePublished":"2024-02-14T13:27:00.056Z","dateModified":"2024-05-09T09:28:18.744Z","description":"Learn how to advance your SQL skills by working with CTEs and window functions. 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These really helped me today explain both learning curves and possibilities with SQL to a couple of students today - and I even learned some stuff myself too <3","datePublished":"2024-02-23T17:34:16.332Z","url":"https://daily.dev/posts/y4Kbl9kze#c-G3a3G8IRa","author":{"@type":"Person","name":"Thomas Pedersen","url":"https://daily.dev/italantainu","image":"https://avatars.githubusercontent.com/u/20495495?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"perfect timing for the right article :D","datePublished":"2024-03-13T07:32:14.372Z","url":"https://daily.dev/posts/y4Kbl9kze#c-USv6FgCCY","author":{"@type":"Person","name":"Tim Bauer","url":"https://daily.dev/pixelbauer","image":"https://avatars.githubusercontent.com/u/144014635?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"Thanks for sharing! ^^","datePublished":"2024-03-23T23:57:02.661Z","url":"https://daily.dev/posts/y4Kbl9kze#c-3MCyYxB9Y","author":{"@type":"Person","name":"Deleted user","url":"https://daily.dev/ghost","image":"https://media.daily.dev/image/upload/s--hNIUzLiO--/f_auto/v1705327420/public/ghost_vlftth"}}]} ```