Relationship between amount of users and IOPS

Hi all,
I am pretty new in Oracle and I would like to predict how many IOPS a BD is going to consume. Is there any relationship between amount of users, or datafiles' size with IOPS?? Is there any formula to predict IOPSs in Oracle's BDs??
Please let me know.
Thanks in advance.
Regards,
Luis Sakihama

Maybe BD was supposed to read DB.
"...how many IOPS a DB is going to consume."?
You need to look at a specific database application to begin with. (A database in itself does not consume much of anything.)
Then, what exactly are you trying to figure out and why?

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    Regards,
    Christophe.
    Don't hesitate to reward if helpful

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