How to change the password of oracle user

Oracle database is a widely used database with the advantages of high security and strong reliability. For users who frequently use Oracle, how to change the password of an Oracle user is an important skill. This article will provide some effective methods to help you change the password of Oracle users.

1. Change password using SQLPLUS command

Oracle provides a command line interface tool SQLPLUS, which can be used to connect to the Oracle database and execute SQL commands. We can use SQLPLUS command to change Oracle user password. The specific steps are as follows:

1) First open a terminal window and log in to the Oracle database through the SQLPLUS command:

$sqlplus / as sysdba

Type the above in the command line window statement and press Enter. You will be prompted to enter the Oracle administrator password.

2) Change user password:

SQL> ALTER USER username IDENTIFIED BY new_password;

Among them, username is the username whose password you want to change, and new_password is the one you want to change. New Password.

For example, to change the password of username Scott to Tiger, you need to type the following command:

SQL> ALTER USER Scott IDENTIFIED BY Tiger;

3)Exit SQLPLUS:

SQL> exit;

2. Change password using Oracle SQL Developer

Oracle SQL Developer is a software that can be used to manage Oracle databases Tool of. Using SQL Developer can simplify the process of changing Oracle user passwords. The specific steps are as follows:

1) Open the Oracle SQL Developer tool.

2) Connect to the Oracle database:

Click the "Connection" tab in the navigation bar, and then click the "New Connection" button. Enter your connection details such as username, password, host, port, etc.

3) Right-click the username in the connection context menu and select "Change User Password".

4) Enter the existing password and new password in the pop-up window, and then click "OK".

5) Close Oracle SQL Developer.

3. Change Password in Oracle Enterprise Manager

Oracle Enterprise Manager is a web console used to manage Oracle databases. Use it to change Oracle user password easily. The specific steps are as follows:

1) Open Oracle Enterprise Manager and log in with your Oracle administrator account.

2) Select "Database" in the left navigation menu and click the database whose password needs to be changed.

3) In the "Database Page", click the "Security" tab.

4) Click the "User" tab.

5) Click on the user whose password you want to change, and then click "Change Password".

6) Enter the new password in the pop-up window and click "OK".

4. Change password through ALTER USER statement

In addition to using the SQLPLUS command, you can also use the ALTER USER statement to change the Oracle user password. The following are the specific steps:

1) Use your Oracle administrator account to log in to SQLPLUS.

2) Type the following command to change the user's password to new_password:

ALTER USER username IDENTIFIED BY new_password;

where username is the username whose password you want to change , new_password is the new password you want to set.

For example, to change Scott's password to Tiger, you need to type the following command:

ALTER USER Scott IDENTIFIED BY Tiger;

3) Exit SQLPLUS.

Summary:

No matter which method you choose, you need to use a secure password and change it regularly to ensure that the security of your Oracle database is not violated. It should be noted that before making changes to the Oracle database, a backup must be made to prevent data loss. Finally, I hope this article can help you change your Oracle user password and improve the security of your Oracle database.

The above is the detailed content of How to change the password of oracle user. For more information, please follow other related articles on the PHP Chinese website!