Estimating disk storage for user data

To properly estimate the amount of disk storage that is necessary to store your data, you need to consider several factors.

About this task

Estimating the space requirements for Db2 objects is easier if you collect and maintain a statistical history of those objects. The accuracy of your estimates depends on the currentness of the statistical data.

Procedure

To estimate disk storage for user data:

Ensure that the statistics history is current by using the MODIFY STATISTICS utility to delete outdated statistical data from the catalog history tables.