oracle 12 installation tutorial

Oracle database is the industry's leading database management system. Its reliability, high availability, high scalability and powerful real-time analysis and processing performance have been widely used in many enterprises. This article will introduce in detail the installation steps of Oracle 12C database.

1. Preparation work

1. Operating system requirements

The operating system running the Oracle 12C database must be 64-bit and support the following operating systems:

• Oracle Linux (4,5,6,7,8)
• RedHat Enterprise Linux (4,5,6,7)
• SUSE Linux Enterprise Server (10,11 ,12)
• Windows (7, 8, 8.1, 10, 2008 R2, 2012, 2012 R2, 2016)

2. Hardware requirements

• Memory: at least 2GB.
• Hard disk: at least 8GB.
• Processor: 64-bit processor.

3. Download Oracle software

You can download the required software from Oracle’s official website. The download link is as follows.

• Oracle Database 12c Release 1 (12.1.0.2.0) for Linux x86-64 (Oracle Linux 6 keep it simple)
• Oracle Database 12c Release 1 (12.1.0.2. 0) for Windows x64 (64-bit)

2. Install Oracle Database 12C

In this section we will introduce the installation steps of Oracle Database 12C, as follows:

1. Select the Oracle database version to be installed

In the decompressed installation directory, execute the runInstaller script in the database directory to start installing the Oracle 12C database.

2. Check the components required by the system

After executing runInstaller, the installation program will check by itself whether all required components have been installed in the system, and a window will pop up to prompt whether to install the missing components. Check "Yes" to let the Oracle database installation program automatically install the missing components. If all necessary components of the system have been installed, proceed to the next step.

3. Select the installation type

In the installation type, there are two options: install database software and create and configure database. We select the second option and click "Next".

4. Select the database type to be installed

In this step, you can select the database type to be installed: Enterprise Edition, Standard Edition or Personal Edition. Here we select the Enterprise Edition and click "Next".

5. Select the installation directory of the Oracle database

By default, the Oracle database installation program will install all files to the $ORACLE_HOME directory. We can keep the default values ​​and click Next.

6. The language for installing the Oracle database

You can choose the language type to be installed. Here we select English and click "Next".

7. Configure the features of Oracle Database Standard Edition

Here, you can choose whether to install Oracle database features, such as database management and monitoring, high availability, security, backup and recovery, etc. We can keep the default settings, select Install All, and click Next.

8. Configure the SID and Oracle Home path of the database

Generally, the Oracle Home path and SID name to be installed are manually filled in here. It is recommended to use the default values.

9. Configure the management password

In this step, enter the management password and confirmation password for access to the WEB console. It is recommended that the password consists of uppercase and lowercase letters, numbers, and special characters to improve security.

10. Select the installation type

In this step, you can select the components that need to be installed according to the specific situation.

11. Check and save the configuration

The installation program will complete the check and prompt a summary of the current configuration. If everything meets the requirements, click the "Install" button to start installing the Oracle 12C database. The installation process takes some time, please be patient.

12. Complete the installation

Once the installation process is over, you will see the installation complete message. The option to build a new database instance is optional, starting the database is complete.

3. Install Oracle Client 12C

1. Select the Oracle Client version to be installed

You can download the required software from the Oracle official website. The download link is as follows.

• Oracle Client 12C Release 1 (12.1.0.2.0) for Linux x86-64 (Oracle Linux 6 keep it simple)
• Oracle Client 12C Release 1 (12.1.0.2. 0) for Windows x64 (64-bit)

2. Execute the installation wizard

Extract the downloaded file and execute the installation wizard, select "Administrator Install" and click " Next".

3. Select the installation type of Oracle Client

In this step, you can select the installation type of Oracle Client, including Custom and Typical. Just choose typical.

4. Specify the installation location of Oracle Client

In this step, specify the installation location of Oracle Client. You can keep the default value and click "Next".

5. Specify the installation language

In this step, select the installation language and click "Next".

6. Specify the components to be installed

In this step, you can specify the components to be installed, including SQL Plus, SQL Devlopment, Oracle Call Interface, etc. We select Install All and click "Next".

7. Prepare for installation

In this step, perform a pre-installation check to ensure that all required components are installed and available. If all checks pass, click the "Install" button to start the installation.

8. Installation process

The installation process will take some time, please be patient. After the installation is complete, click the "Finish" button to exit the installation wizard.

4. Summary

This article introduces the installation steps of Oracle 12C database in detail, including database installation and Oracle Client installation. The installation of Oracle database is of vital significance to enterprise data management and analysis. During the installation process, there are some issues that need to be paid attention to, such as operating system version, hardware configuration, installation language selection, and installation path selection. Adhering to the principle of "patience, seriousness, and meticulousness", I believe that everyone can successfully install the Oracle 12C database.

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