INDEX
A
abstraction layers, 20–21
defined, 241
examples of, 242
exposed and unexposed, 254
extensibility and flexibility of, 244–245
implementation of, 242, 247–254
related to logical model, 245–246
related to object-oriented programming, 246–247
uses of, 242–245
Access (Microsoft), 10–11
advanced cardinality, 70, 217–218
AFTER trigger, 73–74
alphanumeric data types, 26–27, 54–55
length of, 26
ALTER statement, 67
ASCII, 26
attribute key words, 123
attributes, 24–25
defined, 15
determining, 135–138
flexibility vs. structure in, 176–178
incorrect data types for, 178–182
listing, 142, 161–162, 169–170
modeling columns using, 210–211
mutivalued, 32
problems involving, 176–182
single-valued, 32
B
B-tree ...
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