Detailed explanation of database oracle installation tutorial

Oracle Database Installation Tutorial

Oracle database is currently the most popular relational database management system in the world and is widely used in enterprises. This article will introduce you to the installation steps of Oracle database.

1. Download the Oracle database installation package

Go to the Oracle official website https://www.oracle.com and select the required database version. It is generally recommended to choose the latest version. After selecting the version, find the corresponding download link and download the corresponding installation package.

2. Install the Oracle client

Before installing the Oracle database, you need to install the Oracle client to connect to the database.

Double-click the downloaded client installation package, select "Install Oracle Client" in the pop-up window, and then follow the prompts to complete the installation.

3. Create a database account

Before installing the Oracle database, you need to create a database account. Open the command line interface and enter the following command to create an account:

CREATE USER 用户名 IDENTIFIED BY 密码;
GRANT CONNECT, RESOURCE, DBA TO 用户名;

The "username" and "password" here can be changed as needed.

4. Install Oracle database

Double-click the downloaded database installation package to enter the installation wizard.

• Select "Install database software only" and click "Next".
• Select "Single instance database installation" and click "Next".
• Select "Desktop class" or "Server class", here we select "Desktop class", and then click "Next".
• Select "English" and click "Next".
• Select "Use Windows Built-in Account" and click "Next".
• Select "Create a new database" and click "Next".
• Fill in the database name, such as "orcl", and then click "Next".
• Select "General Purpose / Transaction Processing" and click "Next".
• Select "Unicode" and click "Next".
• Select "Use the same passwords for all accounts" and click "Next".
• Add the database account created in step 3, set its password, and click "Next".
• Click "Install" to start the installation.

After the installation is completed, you will be prompted whether to create a database, select "Yes", and then click "OK". Wait for the database creation to complete.

5. Configuring the listener

In Oracle database, the listener is used to receive the client's request and forward it to the correct database instance. So after installation, the listener needs to be configured so that clients can connect to the database.

• Open "Oracle Net Configuration Assistant" and click "Next".
• Select "Listener Configuration" and click "Next".
• Select "Add" and click "Next".
• Enter the listener name, such as "LISTENER", and click "Next".
• Select the "TCP" protocol and click "Next".
• Select "Use the following port number", the port number defaults to 1521, and then click "Next".
• Select "No, I will configure security settings later" and click "Next".
• Click "Finish" to complete the configuration.

6. Test the connection

Open cmd and enter the following command to test the connection:

tnsping 监听器名称

If the connection is normal, "OK" will be output.

7. Installation completed

At this point, the installation of the Oracle database has been completed. You can now connect to the database using the client and use it.

Conclusion

The installation and configuration of Oracle database requires a certain technical level and specific experience. This article only briefly introduces each step of the installation process. If you are not familiar with Oracle database or encounter problems, it is recommended to seek professional or official technical support.

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