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How To Export Only a Percentage Of Data In Tables Using The Datapump SAMPLE Parameter (Doc ID 1422064.1)

Last updated on MAY 11, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
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Goal

This document explains how the SAMPLE command line parameter of Datapump Export can be used to retrieve only a percentage of the table data for export.

The SAMPLE parameter can prove very useful when e.g. a test database needs to be created which uses a subset of production data, and the amount of data in the production database is too large to handle. Smaller amounts of data make it easier to manage the testing, and this parameter allows extraction of a given percentage of the data from the tables.

The syntax of the command line parameter is:

Solution

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In this Document
Goal
Solution
 Example #1
 Example #2

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