Simple question from someone trying to grow their single-table database into a multiple-table database.

I am building an inventory database.
It seems to me that I will create the following:

        computer table
        display table
        scanner table
        printer table

        and so on…

Eventually I will create relationships between these tables, so that I can show which devices are with which computers.
But that's not my immediate question.
Here is what I want to know first:

Each of these tables will have a serial number field for the devices recorded. Now, suppose I need to find the location of a device with a certain serial number, but I do not know wether it is a computer, printer, etc… How do I create a serial number field that will allow me to search all of the serial number fields in all of the tables?

Or, can I use the same serial number fields in all of the tables?

Thanks,
b0b

--
Bob Sandkam
MacOS Support
Information Technology Specialist II
VCUarts Computer Center
School of the Arts
Virginia Commonwealth University

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