Understanding Oracle 19c's sec_case_sensitive_logon Parameter and ORA-01017

Introduced in Oracle 11g, the sec_case_sensitive_logon parameter controls password case sensitivity. sec_case_sensitive_logon=TRUE means passwords are case-sensitive. sec_case_sensitive_logon=FALSE means passwords are not case-sensitive. Starting with Oracle 12c, this parameter is deprecated. However, it is retained in Oracle 19c for backward ...

Posted on Thu, 07 May 2026 05:18:47 +0000 by greensweater