This guide explains how to use Oracle ORAchk and Oracle Exachk diagnostic tools on Oracle Database Engineered Systems.

It also explains the prerequisites to install and configure Oracle ORAchk and Oracle EXAchk diagnostic tools.


Oracle® Database ORAchk and EXAchk User's Guide provides conceptual and usage information about the diagnostic tools for the database administrators.

This guide assumes that you are familiar with Oracle Database concepts.

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The following text conventions are used in this document:

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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.

Third-Party License Information

Oracle ORAchk and Oracle EXAchk consume third-party code. Oracle is required to provide the following notices. Note, however, that the Oracle program license that accompanied this product determines your right to use the Oracle program, including the third-party software, and the terms contained in the following notices do not change those rights.


Python version 3.7.1 license,


ptyprocess version 0.6.0 license,