Preface
This guide explains how to install and configure Oracle Database Express Edition on Linux x86–64.
This guide also provides information about resources available to develop applications and how to remove the database software.
Audience
This guide is intended primarily for application developers who are either developing applications or converting applications to run in the Oracle Database environment.
Oracle Database 21c Express Edition (Oracle Database XE) is a free version of the world's most capable relational database. Oracle Database XE is easy to install, easy to manage, and easy to develop with. With Oracle Database XE, you use an intuitive, browser-based interface to administer the database, create tables, views, and other database objects, import, export, and view table data, run queries and SQL scripts, and generate reports.
Documentation Accessibility
For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.
Access to Oracle Support
Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.
Command Syntax
Refer to these command syntax conventions to understand command examples in this guide.
Convention | Description |
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$ |
Bourne or BASH shell prompt in a command example. Do not enter the prompt as part of the command. |
% |
C Shell prompt in a command example. Do not enter the prompt as part of the command. |
# |
Superuser (root) prompt in a command example. Do not enter the prompt as part of the command. |
monospace |
UNIX command syntax |
backslash \ |
A backslash is the UNIX and Linux command continuation character. It is used in command examples that are too long to fit on a single line. Enter the command as displayed (with a backslash) or enter it on a single line without a backslash:
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braces { } |
Braces indicate required items:
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brackets [ ] |
Brackets indicate optional items:
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ellipses ... |
Ellipses indicate an arbitrary number of similar items:
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italic |
Italic type indicates a variable. Substitute a value for the variable:
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vertical line | |
A vertical line indicates a choice within braces or brackets:
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Related Documents
To help you with your development efforts, consult the books in the development category of the Oracle database documentation set at Oracle Database Development
Title | Content |
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Explains how to develop applications with Oracle Database. |
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Provides a tutorial that shows you how to use Java and JDBC to connect to Oracle Database, and demonstrates how to develop a simple Java application that accesses and modifies data. |
For more information, see these documents in the Oracle Database documentation set:
Conventions
Convention | Meaning |
---|---|
boldface |
Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary. |
italic |
Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values. |
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Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter. |