Default: NO
Purpose
Instructs Export to estimate the space that a job would consume, without actually performing the export operation.
Syntax and Description
ESTIMATE_ONLY=[YES | NO]
If ESTIMATE_ONLY=YES, then Export estimates the space that would be consumed, but quits without actually performing the export operation.
Restrictions
The ESTIMATE_ONLY parameter cannot be used in conjunction with the QUERY parameter.
Example
The following shows an example of using the ESTIMATE_ONLY parameter to determine how much space an export of the HR schema will take.
> expdp hr ESTIMATE_ONLY=YES NOLOGFILE=YES SCHEMAS=HR