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Sec_case_sensitive_logon Parameter In Oracle

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  • User AvatarKiran Dalvi
  • 24 Sep, 2023
  • 0 Comments
  • 1 Min Read

Sec_case_sensitive_logon Parameter In Oracle

 sec_case_sensitive_logon –  This initialisation(init) parameter enables or disabled password case sensitivity in the database.

When it is true , login passwords are case sensitive.  

if it is false , then login passwords are not case sensitive.  but Default value is TRUE.

How to check this value :
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SQL> show parameter sec_case
 
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
sec_case_sensitive_logon boolean TRUE
 
 
 
SQL> alter user TESTUSER identified by TESTpwd;
 
User altered.
 
 
 
SQL> connect TESTUSER/testpwd
ERROR:
ORA-01017: invalid username/password; logon denied
 
 
Warning: You are no longer connected to ORACLE.
 
 
 
SQL> connect TESTUSER/TESTpwd
Connected.
When sec_case_sensitive_logon is FALSE. For Testing purpose , we will make this value FALSE.
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SQL> ALTER SYSTEM SET sec_case_sensitive_logon=FALSE scope=both;
 
database altered.
 
 
SQL> show parameter sec_case
 
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
sec_case_sensitive_logon boolean FALSE
 
SQL> alter user TESTUSER identified by TESTpwd;
 
User altered.
 
 
Now try to connect with any case(small or caps)
 
SQL>
SQL> connect TESTUSER/testpwd
Connected.
SQL> connect TESTUSER/TESTUSER
Connected.

Hope it helps!

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