This guide explains how to install and configure single-instance Oracle Database.

This guide also provides information about Optimal Flexible Architecture, cloning an Oracle home, and how to remove the database software.


This guide is intended for anyone responsible for installing Oracle Database 19c.

Additional installation guides for Oracle Database, Oracle Real Application Clusters, Oracle Clusterware, Oracle Database Examples, and Oracle Enterprise Manager Cloud Control are available at the following URL:

Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit or visit if you are hearing impaired.

Set Up Java Access Bridge to Implement Java Accessibility

Install Java Access Bridge so that assistive technologies on Microsoft Windows systems can use the Java Accessibility API.

Java Access Bridge is a technology that enables Java applications and applets that implement the Java Accessibility API to be visible to assistive technologies on Microsoft Windows systems.

Refer to Java Platform, Standard Edition Accessibility Guide for information about the minimum supported versions of assistive technologies required to use Java Access Bridge. Also refer to this guide to obtain installation and testing instructions, and instructions for how to use Java Access Bridge.

Command Syntax

Refer to these command syntax conventions to understand command examples in this guide.

Convention Description
$ 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:

dd if=/dev/rdsk/c0t1d0s6 of=/dev/rst0 bs=10b \  count=10000

braces { }

Braces indicate required items:

.DEFINE {macro1}

brackets [ ]

Brackets indicate optional items:

cvtcrt termname [outfile]

ellipses ...

Ellipses indicate an arbitrary number of similar items:

CHKVAL fieldname value1 value2 ... valueN


Italic type indicates a variable. Substitute a value for the variable:


vertical line |

A vertical line indicates a choice within braces or brackets:

FILE filesize [K|M]


The following text conventions are used in this document:
Convention Meaning


Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.


Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.


Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.