--- title: Day 36 of #100DaysOfCode — SQL Basics | daily.dev description: A beginner-friendly introduction to SQL and relational databases covering table creation, CRUD operations (INSERT, SELECT, UPDATE, DELETE), filtering with... canonical: https://daily.dev/posts/vv6ucs9fj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Day 36 of #100DaysOfCode — SQL Basics | daily.dev og:description: A beginner-friendly introduction to SQL and relational databases covering table creation, CRUD operations (INSERT, SELECT, UPDATE, DELETE), filtering with... og:url: https://daily.dev/posts/vv6ucs9fj og:image: https://api.daily.dev/og/posts/vv6UCs9fj.png og:image:alt: Post cover image 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. # Day 36 of #100DaysOfCode — SQL Basics **[M Saad Ahmad](https://daily.dev/sources/1ncqeefj1ncj5ah315xrm)** · [@saad786](https://daily.dev/saad786) · 1 upvotes · 0 comments ## Summary A beginner-friendly introduction to SQL and relational databases covering table creation, CRUD operations (INSERT, SELECT, UPDATE, DELETE), filtering with WHERE clauses, sorting with ORDER BY, result limiting with LIMIT, and common SQL data types like INT, VARCHAR, TEXT, BOOLEAN, and DATE. Includes practical code examples for each concept. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [150\+ SQL Commands Explained With Examples \(2026 Update\)](https://daily.dev/posts/150-sql-commands-explained-with-examples-2026-update--64pgubwx0) · Planet MySQL · 2 upvotes · 0 comments - [Querying & Filtering in Oracle Databases: What Actually Clicked for Me As a Beginner](https://daily.dev/posts/querying-filtering-in-oracle-databases-what-actually-clicked-for-me-as-a-beginner-re6wcugha) · DEV · 4 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/vv6ucs9fj) ```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":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/vv6ucs9fj","headline":"Day 36 of #100DaysOfCode — SQL Basics","text":"Shared: Day 36 of #100DaysOfCode — SQL Basics","url":"https://daily.dev/posts/vv6ucs9fj","datePublished":"2026-03-10T02:52:46.747Z","dateModified":"2026-03-10T02:53:21.982Z","author":{"@type":"Person","name":"M Saad Ahmad","url":"https://daily.dev/saad786","image":"https://media.daily.dev/image/upload/s--k0aGUCRV--/f_auto/v1745068014/avatars/avatar_1ncQEeFj1Ncj5ah315xrM","description":"Learning MERN Stack | React.js, Node.js | Building in Public","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":260}},"image":"https://media.daily.dev/image/upload/s--2-1xRawN--/f_auto/v1722860399/public/Placeholder%2011","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/D8V58Yg9T"},"isPartOf":{"@type":"WebPage","url":"https://daily.dev/sources/1ncqeefj1ncj5ah315xrm","name":"M Saad Ahmad"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"M Saad Ahmad","item":"https://daily.dev/sources/1ncqeefj1ncj5ah315xrm"},{"@type":"ListItem","position":3,"name":"Day 36 of #100DaysOfCode — SQL Basics"}]} ```