mySQL port 3306, 3307, 3308

what does port
3306, 3307, 3308 for mySQL? i mean what is it function?
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Aleksandar BradarićConnect With a Mentor Software DeveloperCommented:
MySQL is a server and as any other server, you've got to connect to it through a port. Various servers use various ports - FTP uses port 21, HTTP - 80, you send mail using port 25, receive mail through port 110, etc.

MySQL listens for connections on port 3306 by default. You've got to connect to this port in order to access the data. That's it.
UmeshConnect With a Mentor MySQL Principle Technical Support EngineerCommented:
The "port" is an identifier used by the TCP software rather than an actual physical device, and it allows multiple network connections to be made on one machine by different applications.

MySQL uses port 3306 by default
UmeshMySQL Principle Technical Support EngineerCommented:
Sorry not refreshed
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