database design

  1. inverted vector database: each FCN is a record (census)
  2. spreadsheet: (one) (songs, MyMusic, iTunes)
  3. spreadsheet: or multiple sheets/FCNs in a spreadsheet with consistent field structures (e.g. general ledger), each FCN is a month.
  4. relational db: each table/FCN is a dataset with a key field, fields can be different in each FCN (movies.sf).

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