How to recover or change Oracle sysdba password [closed]

Answer 1

You can connect to the database locally using the combination of environment variables:

• ORACLE_HOME
• ORACLE_SID .

Depending on your OS:

Unix/Linux:

export ORACLE_HOME=
export PATH=$PATH:$ORACLE_HOME/bin
export ORACLE_SID=
SQLPLUS / AS SYSDBA

Windows

set ORACLE_HOME=
set PATH=%PATH%||%ORACLE_HOME%\bin
set ORACLE_SID=
SQLPLUS / AS SYSDBA

Once connected, you could then alter the user to modify the password:

ALTER USER username IDENTIFIED BY password;