What are the advantages and disadvantages of turning NOCOUNT off in SQL server queries?

Question

What are the advantages and disadvantages of turning NOCOUNT off in SQL server queries? ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­

Answer 1

And it's not just the network traffic that is reduced. There is a boost internal to SQL Server because the execution plan can be optimized due to reduction of an extra query to figure out how many rows were affected.