I am now trying to log in to the database as both SYS and SYSTEM and I am getting a 1031 error, "invalid username
or password." Is there another way for me to log in to the database? What happened to my SYS and SYSTEM usernames?
sqlplus /nolog connect / as sysdba
You will now be able to change your SYS and SYSTEM passwords using the ALTER USER command:
ALTER USER sys IDENTIFIED BY foobar;
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