January 2003
Intermediate to advanced
300 pages
15h 18m
English
Content preview from Data Quality
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12.5 Closing Remarks 253
cached set. The cache would be designed to kick out the oldest transaction
data every time a new one is entered. This is a circular cache.
Although this does little to validate a single transaction, it can catch hot
spots where the data accuracy is making a rapid turn for the worse. Profiles of
value distributions are particularly appropriate for this type of monitoring.
You would not use it for most value tests.
Periodic Checkers
Value tests are particularly suited for execution on a periodic basis: daily,
weekly, monthly, or quarterly. They are also useful when performing ...
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