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Visually explained how SQL NULL functions handle missing data using COALESCE, ISNULL, NULLIF, and IS (NOT) NULL. 👉 Subscribe, Like, and Comment If you want more FREE Courses ❤️https://www.youtube.com/@UC8_RSKwbU1OmZWNEoLV1tQg ━━━━━ *MY COURSES* To get certified, better clean structure & progress, support me: 🏅SQL https://www.datawithbaraa.com/course/sql-full-course-for-beginners 🏅Tableau https://www.datawithbaraa.com/course/tableau-ultimate-full-course-for-beginners 🏅Udemy SQL: https://bit.ly/4hH947P 🏅Udemy Tableau: https://bit.ly/3xFiDDk ━━━━━ *CONNECT WITH ME* 📬 Newsletter https://www.blog.datawithbaraa.com/subscribe 👨💻 LinkedIn https://www.linkedin.com/in/baraa-khatib-salkini/ 📸 Instagram https://www.instagram.com/datawithbaraa/ 🎥 TikTok https://www.tiktok.com/@datawithbaraa 🌍 Website https://www.datawithbaraa.com/ 💬 Discord https://discord.gg/gsVJbMxKcA 🧭 Notion Roadmaps https://www.notion.com/@datawithbaraa ⭐ Favorite Books/Gear https://candle-gosling-511.notion.site/My-Favorite-Books-Gear-Apps-28334b251f1281e58a52cf7aa594e0e9?source=copy_link 📩 Sponsorships baraa@datawithbaraa.com ━━━━━ *Get 25%* OFF DataCamp's Here https://www.datacamp.com/coupon/membership-2Fcheckout-3Fcoupon-DATAWITHBARAA25ALE25 ━━━━━ *MY FREE COURSES* *SQL* https://youtu.be/SSKVgrwhzus *Python* https://www.youtube.com/playlist?list=PLNcg_FV9n7qZGfFl2ANI_zISzNp257Lwn *Tableau* https://youtu.be/UcGF09Awm4Y *Real World Data Projects* https://www.youtube.com/playlist?list=PLNcg_FV9n7qZ4Ym8ZriYT6WF8TaC2e_R7 *Data Career Roadmaps* https://www.youtube.com/playlist?list=PLNcg_FV9n7qah95jp-aPtysu7kFCbg7hd ━━━━━ 🎁 *FREE DOWNLOADS & MATERIALS* https://www.datawithbaraa.com/wiki/sql#sql-welcome 📖 *Table of Content* 00:00 Intro 00:25 What is NULL? 01:23 What are NULL Functions? 03:23 ISNULL 07:35 COALESCE 12:59 COALESCE vs ISNULL 14:33 Handle NULL - Data Aggregation 18:12 Handle NULL - Mathematical Operators 24:23 Handle NULL - Joining Tables 31:28 Handle NULL - Sorting Data 37:01 NULLIF 40:53 NULLIF - Division by Zero 42:58 IS NULL - IS NOT NULL 46:44 Left Anti Join - Right Anti Join This course is perfect for data analysts, data engineers, data scientists, software developers, and students—covering everything from the basics to advanced SQL topics. #sql #sqlserver #data #analytics #dataanalysis #datascience