Group By in SQL With Example [ COUNT, AVG, MAX, MIN ,SUM ] | Group Functions In SQL

Group By in SQL With Example [ COUNT, AVG, MAX, MIN ,SUM ] Aggregating Data Using Group Functions in SQL 2020 Subscribe here for More Video Tutorials https://www.youtube.com/channel/UCg1aQxi_nEhods87BHYQTkw?view_as=subscriber Learning Group By in SQL is a little bit tricky for a newbie programmer. In today’s lesson, I will give in-depth discussion about Group By in SQL with Example using Aggregate functions. Few Questions and Answers in learning SQL Group By Functions What is Group By in SQL? Group functions in sql are mathematical functions to operate on sets of rows to give one result per set. ex: “Find the number of employee in each Department”. What Group By Does in SQL? It arrange identical data into groups with the help of some aggregate functions. What is Aggregate Functions in SQL? is a function where the values of multiple rows are grouped together to form a single summary value. Where Group By Having in SQL? The HAVING clause is used to specify which groups are to be displayed, and thus, you further restrict the groups on the basis of aggregate information. Lesson Objectives