Oracle Database ORA-00018: Maximum Number of Sessions Exceeded. #oracle #ORA 00018 #coding

ORA-00019 occurs when the maximum number of sessions allowed in the Oracle database is exceeded.

For instance, if the sessions parameter is set to 100 and 101 users attempt to connect simultaneously, the database will return this error.



To resolve it, you can increase the limit by executing:

s
ALTER SYSTEM SET sessions=150 SCOPE=BOTH;


This adjustment allows more users to connect without hitting the session limit


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