Download Oracle 21 XE: A Free and Powerful Database for Everyone
If you are looking for a free, easy-to-use, and full-featured database, you should consider downloading Oracle 21 XE. Oracle 21 XE is the latest version of Oracle Database Express Edition (XE), a community supported edition of the Oracle Database family. In this article, you will learn what Oracle 21 XE is, how to download it, and how to get help and support for it.
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What is Oracle 21 XE?
Oracle 21 XE is a free version of Oracle Database that you can use in any environment, plus the ability to embed and redistribute it. It is the same powerful Oracle Database that enterprises rely on worldwide, packaged for simple download, ease-of-use, and a full-featured experience. Whether you are a developer, a DBA, a data scientist, an educator, or just curious about databases, Oracle 21 XE is the ideal way to get started.
Features and benefits of Oracle 21 XE
Oracle 21 XE offers many features and benefits that make it a great choice for your database needs. Some of them are:
Multitenant: Get isolation, agility, and economies of scale by managing multiple Pluggable Databases inside your Oracle Multitenant Container Database.
In-Memory: Support real-time analytics, business intelligence, and reports by keeping your important data in the Oracle Database In-Memory column store.
Partitioning: Enhance performance, availability, and manageability of your database with data partitioning that meets diverse business requirements.
Advanced Analytics: Get valuable insights and deliver predictions from your data using Data Mining SQL, R programming, and the Oracle Data Miner UI.
Advanced Security: Protect your sensitive data at the source and build end-to-end encrypted apps with layers of security including Oracle Transparent Data Encryption and Data Redaction.
System requirements and limitations of Oracle 21 XE
Oracle 21 XE has some system requirements and limitations that you should be aware of before downloading it. They are:
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Resources: Up to 12 GB of user data, up to 2 GB of database RAM, up to 2 CPU threads.
Operating systems: Windows x64 or Linux x64 (OL8 or OL7).
Licensing: You can use Oracle 21 XE for free for any purpose, but you cannot receive patches or support from Oracle unless you upgrade to another edition of Oracle Database on-premises or Oracle Cloud.
How to download Oracle 21 XE?
To download Oracle 21 XE, you need to follow these steps:
Choose the right version for your operating system
You can download Oracle 21 XE from . You will see different versions for Windows x64, Linux x64 (OL8), and Linux x64 (OL7). Choose the one that matches your operating system. You will also see the file size, the release date, and the sha256sum of each version. You can use the sha256sum to verify the integrity of the downloaded file.
Follow the installation steps
After downloading the file, you need to follow the installation steps for your operating system. You can find the detailed instructions in the . Here is a summary of the main steps:
Windows x64: Run the setup.exe file as an administrator and follow the wizard. You will need to provide a password for the SYS and SYSTEM users, and choose a port for the database listener. You can also choose to create a desktop shortcut and start the database automatically.
Linux x64 (OL8 or OL7): Install the rpm package using the yum command as root. You will need to configure the Oracle environment variables, create a password file, and start the database service. You can also enable automatic startup of the database service.
Verify the installation and start using Oracle 21 XE
After installing Oracle 21 XE, you can verify that it is working properly by connecting to it using SQL*Plus, a command-line tool that comes with Oracle 21 XE. You can also use other tools such as SQL Developer, a graphical user interface that allows you to interact with Oracle databases. To start using Oracle 21 XE, you can create your own pluggable databases, import data from other sources, run queries and reports, and explore the features and benefits of Oracle 21 XE.
How to get help and support for Oracle 21 XE?
If you need help and support for Oracle 21 XE, you have several options available. Some of them are:
Visit the official website and documentation
You can find more information about Oracle 21 XE on , which includes guides, tutorials, reference manuals, and FAQs. The documentation covers topics such as installation, administration, development, security, performance, backup and recovery, and migration.
Join the community forum and ask questions
You can join , where you can ask questions, share tips, and learn from other users of Oracle 21 XE. You can also search for existing threads that may have answers to your questions. The community forum is moderated by Oracle experts and volunteers who are eager to help you.
Learn from online tutorials and videos
You can learn from online tutorials and videos that show you how to use Oracle 21 XE in various scenarios. You can find them on , which features demos, tips, best practices, and interviews with Oracle engineers and customers.
Conclusion
Summary of the main points
In this article, you learned how to download Oracle 21 XE, a free and powerful database for everyone. You learned what Oracle 21 XE is, how to download it, and how to get help and support for it. You also learned about some of the features and benefits of Oracle 21 XE, such as multitenant, in-memory, partitioning, advanced analytics, and advanced security.
Call to action
If you are ready to try Oracle 21 XE for yourself, you can download it from for more information and resources. Whether you are a beginner or an expert in databases, Oracle 21 XE is a great way to get started with Oracle Database.
Frequently Asked Questions (FAQs)
Q: How do I upgrade from an older version of Oracle XE to Oracle 21 XE?
A: You can use the export/import method or the data pump method to migrate your data from an older version of Oracle XE to Oracle 21 XE. You can find more details in .
Q: How do I connect to Oracle 21 XE from another computer or device?
A: You need to know the IP address or hostname of the computer where Oracle 21 XE is installed, and the port number of the database listener (default is 1521). You also need to know the name of the pluggable database that you want to connect to. You can use any client tool that supports Oracle Database, such as SQL*Plus, SQL Developer, or JDBC. You can find more details in .
Q: How do I backup and restore Oracle 21 XE?
A: You can use the Oracle Recovery Manager (RMAN) tool to backup and restore Oracle 21 XE. RMAN is a command-line tool that allows you to perform full or incremental backups, restore and recover data, and manage backup sets. You can find more details in .
Q: How do I monitor and tune Oracle 21 XE?
A: You can use the Oracle Enterprise Manager Express (EM Express) tool to monitor and tune Oracle 21 XE. EM Express is a web-based tool that allows you to view performance metrics, configure settings, manage users and roles, and run SQL commands. You can access EM Express from your browser by entering the URL You can find more details in .
Q: How do I uninstall Oracle 21 XE?
A: To uninstall Oracle 21 XE, you need to follow the steps for your operating system. For Windows x64, you can use the Control Panel to remove the program. For Linux x64 (OL8 or OL7), you can use the yum command to remove the package. You can find more details in .
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