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Use values from two colums in a list as a unique index RRS feed

  • General discussion

  • Hello,
    I'm wondering how to enforce any combination of values from two list's columns to act as a unique index, maybe you guys can help?
    Please get familiar with image I'm linking below. Values from columns "Urzadzenie" and "Port" are those that I want to use as a indexes. I want to avoid situation in which two rows ("3" and "9") have the same values: 'war_lx4' in Urządzenie column and 'ae0' in Port column.

    Actually this list was created after exporting my Access database to SharePoint. In Access I have no problem to use values from many columns to act as a unique index but unfortunatelly after exporting to SP this functionality is gone ;/ 
    I'm also wondering if there is a way to fix it in Access or I have to modify some SP settings.
    https://postimg.org/image/c3g4596in/

    Thank you so much in advance!
    Thursday, February 2, 2017 10:11 AM

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