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falsification, 48
field overloading, 152
first-normal form, 181
fixed source systems, 212
foreign keys, 180-181
defined, 180
in dependent tables, 180
uses, 180-181
See also keys
free-form text fields, 196
frequency distributions, 250-251
functional dependencies, 174-176
candidate, determining, 193-196
classifying, 198-199
defined, 174
denormalized, 182
discovering, 191, 196-197
finding, 192, 193-199
illustrated, 175
LHS of, 174
marking, 197
as meta definition of structure, 176
primary key, 176, 199
speculation, 193-194
testing, 197-198
See also structure analysis
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