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Thread: School related

  1. #1
    Join Date
    Aug 2017
    Posts
    1

    Unanswered: School related

    Dear professionals,

    i'm doing a school tutorial and i came across a relational algebra question but i do not know how to do it.

    Please advise.
    Attached Thumbnails Attached Thumbnails relational algebra.PNG  

  2. #2
    Join Date
    Jun 2004
    Posts
    810
    Provided Answers: 1
    What have you managed to do so far? (People on this forum will help and advise but won't do your homework for you )
    90% of users' problems can be resolved by punching them - the other 10% by switching off their PCs.

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