My Oracle Support Banner

Parameter FILESIZE - Make Export Write To Multiple Export Files (Doc ID 290810.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 8.1.7 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup 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.


This document provides information about the usage of the FILESIZE parameter when exporting data from an Oracle database or importing data back into an Oracle database.


The article is intended for users of the Oracle8i, Oracle9i, and Oracle10g database who wish to use the EXPORT utility to export data from an Oracle database and create multiple export dump files, rather than one single (and usually very large) export dump file. The article gives information about the usage of the FILESIZE parameter, typical error messages, and some related defects with possible workarounds.

Original Export is desupported for general use as of Oracle Database 11g. The only supported use of original Export in Oracle Database 11g is backward migration of XMLType data to Oracle Database 10g release 2 (10.2) or earlier. Therefore, Oracle recommends that you use the new Data Pump Export and Import utilities, except in the following situations which require original Export and Import:

Please refer to:



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
 1. Introduction.
 2. Usage of Export Parameter: FILESIZE
 3. Usage of Import Parameter: FILESIZE
 4. Possible Warnings and Errors upon Export.
 5. Possible Warnings and Errors upon Import.
 6. Known Defects.

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.