How to install oracle

Oracle is one of the most popular relational database management systems in the world. Its wide application in data management and processing in enterprises and institutions gives Oracle an important position and role in the IT field.

In this article, we will introduce the installation steps of Oracle database in detail to help you build a complete Oracle environment on your own computer. Please note that in this tutorial we will be using Oracle version 12.2 and demonstrating on Windows 10 operating system. If you are using a different version or operating system, you may need to make some adjustments.

Step 1: Download the Oracle installation media

Before you start installing Oracle, you need to download the Oracle installation media. You can find the download link on Oracle's official website, or download the corresponding installation package from other channels.

During the download process, please make sure to select the correct version and operating system. If you are using a 64-bit operating system, you need to download the 64-bit version of Oracle. Please unzip the files to an easily accessible folder before installing.

Step 2: Set Java environment variables

Before installing Oracle, you need to set Java environment variables.

In Windows operating system, you need to perform the following steps:

1. Open the Control Panel

2. Click "System and Security"

3 .Click "System"

4.Click "Advanced System Settings"

5.Click the "Environment Variables" button

6.In "System Variables", find the variable Named "Path", click the edit button.

7. On the "Edit Environment Variables" window, click the "New" button.

8. Enter the java installation path, for example: C: \Program Files\Java\jdk-15.0.2\bin.

Step 3: Install Oracle

After setting the Java environment variables, you can start installing Oracle. Please follow Follow the steps below:

1. Double-click the decompressed installation file and click the "Next" button in the welcome interface.

2. On the license agreement page, please read the agreement and select "Accept the Agreement" and click "Next".

3. On the installation options page, please select the Oracle components you need to install. You can choose full installation or custom installation. It is recommended for beginners to choose full Installation, which can include all components, thus improving subsequent learning and operation efficiency. During the installation process, you can also set the default installation location of Oracle.

4. On the database naming and authentication options page , please enter the name of the database you want to install and the administrator password. This information will be used for subsequent access and management of your Oracle database. Please note that the administrator password needs to be at least 8 characters and contain at least one uppercase letter. A lowercase letter and a number.

5. In the installation options page, you can choose whether to create a database. For beginners, it is recommended to select "Create and configure database" as this will help you plan and Set up the database. If you select "Do not create a database" here, you will need to create and configure the Oracle database manually, and the operation may be more difficult.

6. On the installation identification options page, please enter the global database name and port information, which is the port information used to identify your database on the network and access it. Please note that the global database name needs to be unique, otherwise it may lead to data confusion and security issues.

7. In Product During installation, please be sure to select "Oracle Database12c Example: Install Sample Schema Data" so that you can view and log in to the Oracle database instance after the installation is completed.

8. After the installation is completed, please close all installations window, and restart the computer. This will make your operation of Oracle smoother.

Step 4: Access the Oracle database

After installing and configuring Oracle, you can now access your Oracle database . You can use SQL Plus or SQL Developer to access Oracle databases and run data queries and operations.

Because Oracle has powerful functions and complex operations, it is recommended that beginners purchase relevant books or video courses to speed up learning and mastering Oracle knowledge and skills.

Summary

Oracle is one of the most popular and widely used relational database management systems in the IT field. When learning and using Oracle, installing the Oracle database is a necessary first step. In this article, we introduce the installation steps of Oracle database and provide an operation guide. We hope it will be helpful to you.

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