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  1. Sep 6th, 2019, 02:37 AM #1
    dee-u
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    Question MySQL database design: sharing data between 2 or more database

    For instance, I have a Human Resource Information System, a Library System and an Enrollment System, those systems share common data (Instructors and Students), how should I design it such as they will only get the Instructors and Students data from one table only? Could I separate them in 3 database and just "join" using a query? If yes, how could I enforce referential integrity between those databases? Or should they be in just one database only?

    Your inputs are most welcome.
    Last edited by dee-u; Sep 8th, 2019 at 07:53 PM.
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