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How To Estimate Traditional Export (EXP) File Size Without Creating A Dump File (Doc ID 106465.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 9.0.1.0 to 11.2.0.4 [Release 9.0.1 to 11.2]
Generic UNIX
***Checked for relevance on 01-Apr-2015***

Purpose

Estimate file size of export (exp) dumpfile without creating the actual dump file.

Scope

To estimate export dumpfile size using pipe, /dev/null, and dd.

NOTE:
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:
http://docs.oracle.com/database/121/SUTIL/original_export.htm#SUTIL3634

 

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