There is no performance difference HOWEVER, there are differences for how many concurrent connections there are. PER SEAT = n Connections (basically HIGH LEVEL concept), PER PROCESSOR = n CPUs and INFINITE connections (Again HIGH LEVEL concept). The amount of connections is firmly dependent on system resources (but that is for a different topic).....
The internal workings of SQL don't change based on your licensing platform
Good Hunting!
AJ Ahrens
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