Aggregate Functions in SQL SERVER | COUNT(*) VS COUNT(DISTINCT)

Published: 01 June 2021
on channel: Sql Training Sessions

6,271

This session will help you understand the concept of aggregate functions in sql server..
1.) to perform calculation / computations in sql server data table
2.) Count(*) vrs Count(distinct columnname)
3.) SUM(Col) vrs SUM(distinct Col)
4.) MIN(Col) vrs MIN(Distinct Col)
5.) AVG(Col) vrs AVG(Distinct Col)

#sql
#sqlserver
#tutorial
#aggregate functions in sql
#learnsql
#learning

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