Working with SQL NULL values
Working with SQL NULL values
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Different ways to replace NULL in sql server - Part 15
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Jess Ramos | Tech, AI, & Data⚡️ on Instagram: "5 ways to handle NULL values in SQL ⬇️ Comment “SQL” for my free intro course to build your first mini project in only 30 min w/ no prior experience 🥳 1️⃣ COALESCE(column, ‘Unknown’) → Replace NULLs with a default value, can add multiple conditions 2️⃣ IFNULL(column, 0) → Replace NULLs with a default value 3️⃣ WHERE column IS NULL → Find rows with missing data 4️⃣ WHERE column IS NOT NULL → Filter out incomplete records 5️⃣ COUNT(column) vs COUNT(*
Jess Ramos | Tech, AI, & Data⚡️ on Instagram: "5 ways to handle NUL…
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Gulfam | Data & Tech 📊| Interview Tips 💼| 10+ Yrs Mentor 🚀 on Instagram: "Day 24 SQL 🔥| This SQL NULL mistake can fail your interview ❌ IFNULL vs COALESCE explained simply. SAVE this and SHARE with your Data Analyst batch 📊 📺 Follow on YouTube: Link in Bio 👉 www.youtube.com/@DataXOdyssey ❓ Problem Your SQL results may look correct — but still be wrong ❌ When data contains NULL, calculations and reports can break… ✅ IFNULL() – Replace NULL with a default value SELECT IFNULL(Salary, 0) AS S
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