Oracle Database - PMON process

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A process monitor database process that performs process recovery when a user process fails. PMON is responsible for cleaning up the cache and freeing resources that the process was using. PMON also checks on dispatcher and server processes (dedicated, shared, …) and restarts them if they have failed. As a part of service registration, PMON registers instance information with the listener.

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Oracle Database Connection Manager
Oracle Database - Oracle Connection Manager

Oracle Connection Manager is a gateway through which client connection requests are sent either to the next hop or directly to the database server. Clients who relay connection requests through an Oracle...
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Oracle Database - Server Process

A server process is started for each client connection. shared server process Dedicated server process PMON is responsible to check and to restart this process if necessary.
Oracle Database Service Registration
Oracle Database - Service Registration

A feature by which the PMON process automatically registers information with a listener. Because this information is registered with the listener, the listener.ora file does not need to be configured with...
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Oracle Database - Trace File (.trc)

Trace File are trace (or dump) file that Oracle Database creates to help you diagnose and resolve operating problems. Each server and background process writes to a trace file. When a process detects...

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