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  1. #1
    Khalil Handal is offline Advanced Beginner
    Windows 10 Access 2003
    Join Date
    Jun 2016
    Posts
    80

    indexing

    Hi,


    A brief discretion for indexing.

    What is indexing?
    When should it be used?
    Which fields must be indexed? primary key, foreign keys, regular fields...

    Thanks

  2. #2
    ranman256's Avatar
    ranman256 is offline VIP
    Windows Vista Access 2010 32bit
    Join Date
    Apr 2014
    Location
    Kentucky
    Posts
    7,997
    a field you would use to join in queires:
    foreign keys , yes
    Primary key: N/A, not needed since its a primary key and already indexed.

    reg fields, no.

  3. #3
    Ajax is online now VIP
    Windows 10 Access 2010 32bit
    Join Date
    Mar 2015
    Posts
    7,995
    see this link about benefits of indexing

    https://www.access-programmers.co.uk...rmance.291268/

    to add to Ranmans comments I would also index fields regularly searched and/or sorted on

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