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Group 1 Reading (Hugh Darwen, What a Database Really is: Predicates and…

- - - - 1.2.2 index dependence
      - 1.2.3 Access path dependence
      - 1.2.1 Ordering dependence
  - - - 2.1.3. Join
      - 2.1.4 Composition
      - 2.1.2 Projection
      - 2.1.5 Restrictions
      - 2.1.1 Permutation
    - - 2.2.2 weak redundancy
      - 2.2.1 Strong redundacy