SQL SELECT DISTINCT AND GROUP BY: Select Distinct Values in SQL and Group By

Select  is used to display all columns from a table. This includes records with redundancies. So if you want to display records without redu...

SQL SELECT GROUP BY: Display Sum of a Certain Column With Select Group By

On my previous post, we used the SUM function to calculate the TotalSales in a store. What if we want to display the TotalSales by PRODUCT...