What to do if the oracle database password expires

After the Oracle database password expires, you should use the SYSDBA account to connect, and then perform the following steps in sequence: ① Use the ALTER USER statement to reset the password; ② Use the WHENEVER FAILED statement to check whether the password has been reset; ③ Reconnect to the database, Use a new password; ④ (optional) Update the password file.

How to deal with Oracle database password expiration

Question: If the Oracle database password expires, How should this be handled?

Solution:

Step 1: Use a SYSDBA account to connect

• As SYSDBA or with SYSDBA permissions The account is connected to the database.

• For example:

  <code>sqlplus / as sysdba</code>

Step 2: Reset password

• Use the ALTER USER statement to reset the password.

• Syntax:

  <code>ALTER USER <用户名> IDENTIFIED BY <新密码>;</code>

• For example:

  <code>ALTER USER scott IDENTIFIED BY tiger;</code>

Step 3: Check the password

• Use the WHENEVER FAILED statement to check if the password has been reset.

• Syntax:

  <code>WHENEVER FAILED THEN RAISE_APPLICATION_ERROR(-20001,'密碼重置失敗。');</code>

• For example:

  <code>WHENEVER FAILED THEN RAISE_APPLICATION_ERROR(-20001,'密碼重置失敗。');
  ALTER USER scott IDENTIFIED BY tiger;</code>

Step 4: Reconnect

• Reconnect to the database and use the new password.

• For example:

  <code>sqlplus scott/tiger</code>

Step 5: Update password file (optional)

• If you use a password file for authentication, you need to update the password file.

• Command:

  <code>orapwd file=<密码文件名> password=<新密码></code>

• For example:

  <code>orapwd file=orapw scott password=tiger</code>

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