Tuesday 16 September 2014

Unit 18 - Task 1









3 comments:

  1. www: fantastic effort.
    ebi: everything meets the criteria apart from one howler.
    We use Access to create databases not Excel.
    Change that ASAP.

    ReplyDelete
  2. www. M1. You have given a clear explanation of Primary and Foreign keys, and also described the purpose of referential integrity.

    ReplyDelete
  3. www.D1. You have covered the common errors very well, and explained some possible solutions.
    ebi. ou also need to explain how validation etc. can helps to avoid errors.

    ReplyDelete