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listener [message #8726] Mon, 22 September 2003 02:50 Go to next message
Vikas Kale
Messages: 8
Registered: March 2002
Junior Member
What is listener? What it's function?

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Re: listener [message #8733 is a reply to message #8726] Mon, 22 September 2003 06:17 Go to previous message
Thiru
Messages: 1089
Registered: May 2002
Senior Member
Its a process that runs on a specific port(s),sits infront of the database instance, listening to the incoming connection requests from the clients.
In Dedicated server mode,the listener is responsible for spawning a dedicated Server process that takes care of the client's database requests and in the Shared Server mode(MTS), the listener assigns a dispatcher process for the requesting user process.

In short,clients connect to the database via the listener process(but not always).

For more details,refer documentation.

HTH
Thiru

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