--- title: Expert in SQL Server Windows Function( 5 min) | daily.dev description: A visual guide to SQL Server Window Functions covering all major functions including ROW_NUMBER(), RANK(), DENSE_RANK(), NTILE(), LAG(), LEAD(), FIRST_VALUE(),... canonical: https://daily.dev/posts/expert-in-sql-server-windows-function-5-min--9vrbtx6uj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Expert in SQL Server Windows Function( 5 min) | daily.dev og:description: A visual guide to SQL Server Window Functions covering all major functions including ROW_NUMBER(), RANK(), DENSE_RANK(), NTILE(), LAG(), LEAD(), FIRST_VALUE(),... og:url: https://daily.dev/posts/expert-in-sql-server-windows-function-5-min--9vrbtx6uj og:image: https://api.daily.dev/og/posts/9vRbTx6uj.png og:image:alt: Expert in SQL Server Windows Function( 5 min) 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. # Expert in SQL Server Windows Function( 5 min) **[Medium](https://daily.dev/sources/medium_js)** · 1 min read · 0 upvotes · 0 comments ## Summary A visual guide to SQL Server Window Functions covering all major functions including ROW_NUMBER(), RANK(), DENSE_RANK(), NTILE(), LAG(), LEAD(), FIRST_VALUE(), LAST_VALUE(), and aggregate functions with OVER(). The guide explains PARTITION BY, ORDER BY, and Window Frames, with examples, query results, production use cases, and interview questions. Applicable across banking, e-commerce, healthcare, HR, finance, and analytics domains. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A Practical Introduction to PySpark Window Functions](https://daily.dev/posts/a-practical-introduction-to-pyspark-window-functions-u4fudx8gk) · Towards Data Science · 0 upvotes · 0 comments - [10 Rare SQL Features Every Developer Should Know](https://daily.dev/posts/10-rare-sql-features-every-developer-should-know-fvu4qwczx) · Medium · 1 upvotes · 0 comments - [Mastering Complex SQL Server Queries: Turning Data Into Insights](https://daily.dev/posts/mastering-complex-sql-server-queries-turning-data-into-insights-ptszhlorr) · C\# Corner · 3 upvotes · 0 comments --- Tags: [#backend](https://daily.dev/tags/backend), [#sql](https://daily.dev/tags/sql), [#microsoft-sql-server](https://daily.dev/tags/microsoft-sql-server) [View this post on daily.dev](https://daily.dev/posts/expert-in-sql-server-windows-function-5-min--9vrbtx6uj) ```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":"Expert in SQL Server Windows Function( 5 min)","url":"https://daily.dev/posts/expert-in-sql-server-windows-function-5-min--9vrbtx6uj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/expert-in-sql-server-windows-function-5-min--9vrbtx6uj"},"datePublished":"2026-07-21T05:31:35.296Z","dateModified":"2026-09-14T08:15:52.538Z","description":"A visual guide to SQL Server Window Functions covering all major functions including ROW_NUMBER(), RANK(), DENSE_RANK(), NTILE(), LAG(), LEAD(), FIRST_VALUE(),...","image":"https://media.daily.dev/image/upload/s--58gMhC4P--/f_auto/v1722860399/public/Placeholder%2012","thumbnailUrl":"https://media.daily.dev/image/upload/s--58gMhC4P--/f_auto/v1722860399/public/Placeholder%2012","isAccessibleForFree":true,"articleSection":"Medium","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Medium","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/medium","url":"https://daily.dev/sources/medium_js"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/expert-in-sql-server-windows-function-5-min--9vrbtx6uj","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"backend,sql,microsoft-sql-server","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Medium","item":"https://daily.dev/sources/medium_js"},{"@type":"ListItem","position":3,"name":"Expert in SQL Server Windows Function( 5 min)"}]} ```