Solution to Oracle user password expiration and user lock, oracle user password
Follow these steps:
1. Check the user's proifle, which is generally default:
SQL> SELECT username, PROFILE FROM dba_users;
2. view the password validity period settings of the specified profile (such as default:
SQL> SELECT * FROM dba_profiles s WHERE s. profile = 'default' AND resource_name = 'password _ LIFE_TIME ';
3. Change the password validity period from the default 180 days to "unlimited ":
SQL> ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED;
After modification, the database does not need to be restarted and takes effect immediately.
4. After modification, the account has not been prompted ORA-28002 warning will not again encounter the same prompt;
The account that has been prompted must change the password again, for example:
$ Sqlplus/as sysdba
SQL> alter user smsc identified by <original password> ---- No new password required
The Oracle11g startup parameter resource_limit takes effect regardless of whether it is set to false or true. Therefore, you must modify the password in the preceding method. The preceding account name must be changed based on the actual account name.