oracle installation password

Oracle database is the current leader in enterprise-level database systems and is widely used in data management by major companies. During the Oracle installation process, there is a key step that requires setting an installation password, which will be used in subsequent management. This article will introduce how to set the installation password during the Oracle installation process.

1. Preparation before Oracle installation

Before starting the installation of the Oracle database, some preparations need to be done to ensure the smooth progress of the installation process.

1.1 Preparation of the operating system

First of all, you need to ensure that the kernel parameters, user restrictions and group settings of the server operating system where Oracle is installed meet the requirements for installing Oracle. Specific system configuration requirements can be found on Oracle’s official website and will not be described here.

1.2 Download and decompress the Oracle installation package

Secondly, you need to download the Oracle installation package from the Oracle official website and decompress it. After decompression, you need to go to the decompressed directory and run the installation script to install.

2. Oracle installation password setting

After starting to install Oracle, an installation password setting page will appear. On this page, you need to set a password to ensure management after the installation is complete. Here's how to set an installation password.

2.1 Run the installation script

First, you need to enter the directory where the Oracle installation package is located and run the installation script. The command to run the script is as follows:

./runInstaller

After running the script, a graphical installation wizard will appear. First, you need to select the installation type and determine the Oracle installation directory and database instance name.

2.2 Password setting page

During the installation process, a password setting page will appear. On this page, you need to set a password for subsequent management. The setting page is as shown below:

On this interface, you need to set the following:

• Oracle hash password: This password is used Encrypt and protect installation information in configuration files to ensure that the information cannot be stolen or tampered with by intruders.
• Oracle basic password: This password is used for the Oracle database manager. By default, Oracle's basic password is manager.
• Oracle SYS and SYSTEM passwords: These passwords are used by database administrators who must have access to SYS and SYSTEM privileged users so that these users can access and manage the entire Oracle database.

After setting the password, click "Next" to continue the installation.

2.3 Password verification

After the installation is completed, you need to verify whether the set password can work normally. This can be verified by accessing the SYS and SYSTEM users.

Taking the SYS user as an example, you can use the following command to test whether the password is correct:

sqlplus sys/password@ORACLE_SID as sysdba

The password needs to be replaced with the set one Oracle SYS and SYSTEM passwords.

If the password verification is successful, it means that the installation password is set correctly.

3. Summary

In the installation process of Oracle database, setting an installation password is a very important step. Properly setting the installation password can ensure the security and stability of Oracle. This article describes how to set the installation password during the Oracle installation process, and also describes how to verify whether the password is set successfully. It is very necessary for Oracle database administrators to understand how to set the installation password.

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