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This article is about how to correctly install the Oracle database, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article. Let's take a look at it with the editor.

Oracle database is a kind of object-relational database. On the basis of relational database, some object-oriented features are introduced. The products of Oracle database can be downloaded free of charge, and its service is free of charge, that is, when the database is used for commercial purposes, it must be authorized by Oracle. Oracle has been around for 30 years and has experienced many versions, and the latest version is 12c. The 11g version is relatively stable at present, and many enterprises are also using it, so we will start to learn from this version, and the later version will not be much different.

PS:MySQL is a commonly used database developed by Java. The parent company of MySQL was acquired by SUN in 2008, while SUN was acquired by Oracle in 2009, so MySQL is also a product of Oracle.

The first step: first go to the Oracle official website to download the Oracle database installation package, extract the two files together to the same folder under the same directory, do not appear in Chinese in the path name, and do not appear irregular characters such as spaces. After the decompression is complete, go to the appropriate path, find [setup.exe], double-click to run, and install Oracle 11g.

Oracle official website: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html

Step 2: configure security updates: you can fill in your email address in this step (or you don't have to do it, just receive some useless emails). Cancel the following "I want to accept security updates (W) through My Oracle Support".

Step 3: security options: directly select the default creation and configuration of a database (after installing the database management software, the system will automatically create a database instance), as shown in the figure.

Step 4: system class: just select the default desktop class, as shown in the figure.

Step 5: typical installation: this step is an important step.

It is recommended that you only need to update the Oracle base directory, and the directory path should not contain Chinese or other special characters.

The global database name can be default, and passwords must be kept in mind. The password rule recommended by Oracel must be uppercase letters plus lowercase letters plus numbers, and must be more than 8 digits, as shown in the figure.

Step 6: prerequisite check: the installer in this step checks whether the computer's hardware and software system meets the minimum requirements for installing this version of Oracle. Just go straight to the next step.

Step 7: complete the installation, as shown in the figure.

The above is how to install the Oracle database correctly. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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