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Primary Note: Overview of Database Resident Connection Pooling (DRCP) (Doc ID 1501987.1)

Last updated on AUGUST 23, 2021

Applies to:

Oracle Database Backup Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Standard Edition - Version to [Release 18]
Information in this document applies to any platform.


NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the Oracle sample or bulit-in schema(s), Public Documentation delivered with an Oracle database product or other training material.  Any similarity to actual environments, actual persons, living or dead, is purely coincidental and not intended in any manner.

DRCP, Introduced in 11g is a connection pool in the Database Server which, application developers and administrators and DBAs can use to achieve scalability by sharing connections among multi-process as well as multi-threaded applications that can span across mid-tier systems.

The purpose of this Document is to provide an overview reference for the DRCP and allow you to quickly start using it

The note will up updated as and when the new features are available in DRCP




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In this Document
 Setup and Configuration
 Database Tier
 Start the Pool
  Stop the Pool
  Application Tier
  Memory Usage in DRCP
 Difference between Dedicated, Shared and DRCP Server
 Restrictions on Using Database Resident Connection Pooling
 Managing DRCP
 Configuring and Enabling the Pool
 Parameters to configure the Pool
 Disabling Database Resident Connection Pooling
 Monitoring DRCP    
 Information on DRCP 

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