Explain the purpose$($s$)$ and use$($s$)$ of grouping data using aggregate functions and the GROUP BY Provide SQL syntax examples within your responses presenting evidence of your points. Explain restrictions of grouping data and how you can avoid falling into these types of traps.

Be sure to use an aggregate function that already has not been discussed by one of your peers in their initial response and include all links to all outside resources that you may have used to gather materials for review and extra reflection.