Estimating Database Sizing When Migrating Informix To Oracle Database
Last updated on FEBRUARY 06, 2018
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
We will migrate an system off of Informix/HPUX to an Oracle 11i / Linux platform. In estimating the amount of storage we would like to know if there is a way to estimate the database sizing related to this type of conversion. For example, if the Informix database is currently 1.8T in size, what would be a decent estimate for planning purposes for the resulting Oracle 11i RDBMS size? Is it same/same, or does it take more (or less) disk to build the same system in Oracle?
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