#Sql Count Distinct

How to use SQL’s COUNT and DISTINCT functions! #dataanalyst #dataanalytics #dataanalysis #sql #sqltutorial

COUNT() in SQL 🔢 👉 COUNT(*) – counts all rows 👉 COUNT(column) – ignores NULL values 👉 COUNT(DISTINCT column) – counts unique values Small function, big impact in data analysis 📊 #SQL #SQLFunctions #DataAnalytics #LearnSQL #Database

Master SQL from Basic → Advanced in one cheat sheet 🚀 Save this post if you're learning SQL, Data Analytics, or Backend Development. Perfect for quick revision before interviews or practice. Topics Covered 👇 ✔ Basic SQL Commands ✔ Filtering Data ✔ Joins ✔ Aggregate Functions ✔ Subqueries ✔ Views & Index ✔ Stored Procedures Keep learning. Keep building. 💻✨ Follow @coding.bytes1 for daily Programming, SQL, Java & DSA content. #sql #sqltutorial #sqldatabase #sqlqueries #dataanalytics datascience

SQL only has like 10 cmds

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1. QUALIFY + ROW_NUMBER() Lets you rank rows and filter results in the same query — perfect for grabbing the most recent or top record without subqueries. 2. LAG / LEAD Used to look at the previous or next row — great for comparing changes over time (day-over-day, month-over-month). 3. CTE (WITH clause) Creates a temporary, named query so you can break complex SQL into clean, readable steps. #data #analyst #dayinthelife #dadlife #sql

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Mastering SQL becomes easy when you can see the bigger picture. 🧠 Here’s a complete SQL mindmap to help you connect concepts faster and understand how everything fits together — from basics to advanced queries. Save this for revision and keep leveling up your data skills. 🚀 #SQL #LearnSQL #DataAnalytics #Programming Keywords: SQL tutorial, database management, SQL queries, data analysis

Ep58 - 75 SQL Problems!! Most people don’t fail data analyst interviews because they don’t know SQL They fail because they don’t practice the right type of questions. I’ve seen many candidates spend weeks learning SQL concepts — but when real interview questions are asked, they struggle with how to apply the logic. That’s why this list of compiled 75 real world SQL problems will help you to prepare for any data related roles. These questions will help you understand: • how interview questions are framed • how to approach joins, aggregations, case statements logically • how to improve problem solving speed • how to gain confidence before interviews Follow @fitwit_krish and comment SQL. I’ll send the complete list. Save this reel so you can start practicing before your next interview. [sql interview questions, data analyst interview preparation, sql joins, data analyst preparation, data analyst jobs, job ready skills, learn data analytics, data analyst roadmap, real interview questions] #sql #dataanalytics #techskills #jobready #careercoach

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COUNT vs COUNT(*) - Don't get confused in SQL⚡ ➡️COUNT(column_name) Counts only non-NULL values NULL values are ignored ➡️COUNT(*) Counts all rows in the table Includes rows with NULLS 🧠Remember this: 👉Need total records? COUNT(*) 👉Need valid values only? COUNT(column) 💡Interview-friendly & super common SQL concept! Follow for more -) @python_code_pro #SQL #DataAnalytics #SQLBasics #DataAnalyst #LearningSQL [SQL SQLLearning SQLTips SQLInterview DataAnalytics DataAnalyst LearnSQL Database TechReels Programming CodingLife DeveloperLife OracleSQL PLSQL OracleEBS FresherJobs InterviewPreparation CareerInTech ITJobs SoftwareEngineer CodeNewbie DailyLearning TechEducation ReelsIndia ExplorePage ViralReels StudyWithMe TechContent InstaTech KnowledgeSharing]

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