How to change oracle database password

To change the Oracle database password, you need to perform the following steps: Connect to the database using SQL*Plus. Create a new password file. Use the ALTER USER command to update the database password. Reload the password file. Verify password change.

Change Oracle Database Password

How to change Oracle Database Password?

To change the Oracle database password, you need to follow the following steps:

1. Connect to the database

Use SQL*Plus to connect to the password you want to change Database:

<code>sqlplus username/password</code>

where username is the database username, password is the current password.

2. Create a new password file

Create a new password file (orapw) to store the new password:

<code>orapwd file=orapw password=newPassword</code>

Among them, newPassword is the new password to be set.

3. Update the database password

Use the ALTER USER command to update the database password:

<code>ALTER USER username IDENTIFIED BY newPassword</code>

Among them, username is the database username and newPassword is the new password created in step 2.

4. Reload the password file

Reload the password file to apply the new password:

<code>CONN SYS/sysPassword AS SYSDBA
SHUTDOWN TYPE=SHUTDOWN IMMEDIATE
STARTUP PFILE=init.ora OPEN PFILE</code>

where, sysPassword is the password of the SYS user, and init.ora is the initialization parameter file.

5. Verify Password Change

Use the SELECT command to verify that the password has been changed:

<code>SELECT * FROM SYS.USER$ WHERE NAME like 'username';</code>

CheckPASSWORD Whether the value of the column matches the new password.

Tip:

• Use strong passwords to protect your database.
• Change your password regularly to improve security.
• Back up the password file just in case.
• In a production environment, it is recommended to use automated scripts or tools to manage password changes.

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