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partitioned tables, 207
patterns, 164
periodic checkers, 253
PL/1 INCLUDE file, 125, 144
poor-quality data
cost, 255-256
new business models and, 256
problem, 255
See also inaccurate data
poor-quality data impact, 12-14
areas, 12-13
data delivery delays, 13
lost customers, 14
lost production, 14
new system implementation costs, 13
transaction rework costs, 13
See also data quality problem; inaccurate data
post-change monitoring, 99-101
precision property, 159-160
primary keys, 176-179
defined, 176
example, 178-179, 266
functional dependency, 176, 199
as key to the table, 179
NULL, 208
violations, 208
See also keys
primary/foreign key synonyms, 185-186
analyzing, 205-206
example, 267-268
testing for, 204
primary/secondary table relationship, 207
process rules
data rules vs., 219-220, 238
defined, 219
use of, 219
projects
case for providing services to, 113-115
justification, 113
services, 75-77, 114
property lists, 148-149
defined, 148
domain definition, 155
illustrated, 149
as output, 155
See also column properties
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