How to modify the maximum number of connections in the Oracle connection pool?

To modify the maximum number of connections in the Oracle connection pool, you need to follow these steps:

1. Log in to the Oracle database management tool (such as SQL*Plus or SQL Developer).
2. Log in to the database with administrator privileges, such as sysdba.

CONNECT username/password AS SYSDBA;

1. View the current configuration information of the connection pool.

SELECT * FROM V$RESOURCE_LIMIT WHERE RESOURCE_NAME = 'sessions';

1. Determine the maximum number of connections and current number of connections in the current connection pool.
2. Change the maximum number of connections in the connection pool.

ALTER SYSTEM SET PROCESSES=100 SCOPE=SPFILE;

One option: “100 is the maximum number of connections you can set.”

1. Restart the database to apply the changes.

SHUTDOWN IMMEDIATE;
STARTUP;

1. The maximum number of connections in the connection pool has been successfully modified.

SELECT * FROM V$RESOURCE_LIMIT WHERE RESOURCE_NAME = 'sessions';

You have successfully updated the maximum number of connections in the Oracle connection pool.