How To Export Only a Percentage Of Data In Tables Using The Datapump SAMPLE Parameter
(Doc ID 1422064.1)
Last updated on FEBRUARY 23, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.1 and laterOracle 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.
NOTE: In the images and/or the document content below, the user information and data used represents fictitious data.
Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.
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
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
| Goal |
| Solution |
| Example #1 |
| Example #2 |