Default Password For System User("manager") Has Changed In Oracle 19c
(Doc ID 2620296.1)
Last updated on JULY 02, 2021
Applies to:Oracle Database - Standard Edition - Version 22.214.171.124.0 and later
Oracle Database - Enterprise Edition - Version 126.96.36.199.0 and later
Oracle Database - Personal Edition - Version 188.8.131.52.0 and later
Information in this document applies to any platform.
It is written in "SQL Language Reference" document that:
If you do not specify these clauses, then Oracle Database creates default passwords
change_on_install for user SYS and manager for user SYSTEM.
But default password for system user "manager" has changed in 19c to "no authentication".
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