Difference Between count(*) ,count(0),count(-1),count(col),count('youtube') | SQL Interview question
How to get COLUMN COUNT in SQL
How to get a row count for each table in the database
How to get ROW COUNT in SQL
Don’t Get Tricked by SQL COUNT! | COUNT vs COUNT(*) vs COUNT(DISTINCT)
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Last Updated: October 17, 2026
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Summary
See introduction video on how to get this dataset into data.world: youtube.com/watch?v=FE6G-MsmZvE. schoolfreeware.com This tutorial shows how to use NULLs are interesting values. While they fill an important need in the database, it's not always intuitive how different In today's video, we'll look at data aggregation in SQL using the COUNT function. The SQL commands mentioned in the video are ... Learn more about PlanetScale at planetscale.com/youtube. —————————————————— 00:00 Intro 01:04 ... In this video, we break down the Dataset: mkeith.app/data/gsdb.accdb This playlist is used in two of my books: 1. Introduction to Information Systems ... this step by step easy tutorial to see how we can In this video we will discuss a very commonly asked This video is about how to get COLUMN There are various techniques to quickly get a