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=========== Register here and get a call from sharpener tech https://www.sharpener.tech/?utm_source=codestepbystep&utm_medium=youtube&utm_campaign=DAplaylist&utm_term=introtoDAcourse =================== This course is created by Team Sharpener. Sharpener is India’s #1 Training Institute, and in just 5 years, they’ve helped 4000+ students get a job. This entire course is taught by Kaustubh Bhatter, CEO of Sharpener Welcome back to the Data Analyst Tutorial Playlist – Video #20! In this session, we explore the most powerful tools in SQL: Aggregate Functions. Using a real-life example of Mrs. Harper’s library, you will learn how SQL aggregate functions help in extracting meaningful insights from datasets — like counting books, checking null values, calculating averages, summing book copies, and finding the oldest and newest entries. 🔍 What You Will Learn ✔ COUNT() – Count total entries, genre-wise records, and valid (non-null) data ✔ AVG() – Find the average publication year ✔ SUM() – Calculate total copies in the library ✔ MIN() & MAX() – Find the oldest and newest books ✔ Using Alias for readable output ✔ Combining multiple aggregate functions in a single query These aggregate functions are essential for data analysts to summarize and analyze information efficiently. If you're preparing for a Data Analyst or SQL interview, this video will boost your skills and clarity. sql aggregate functions sql count function sql avg example sql sum min max sql data analyst tutorial aggregate functions in sql sql interview questions sql count null values sql tutorial for beginners data analyst sql tutorial sql min max example sql sum copies available sql average publication year #SQL #DataAnalyst #SQLTutorial #LearnSQL #DataAnalysis #DeleteCommand #SQLBeginner #DatabaseManagement #CodingForBeginners #anilsidhu ============================ Our website : https://thecodingskills.com
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