Database Management
Reference Manual
Comparisons Across Sessions and Stamps
: Comparison Date
Comparison Date
It is only by comparing a drawing at two states or sessions that it is possible to determine what has changed. Using the current state of the drawing as one state we must then reference an earlier state in order to make the comparison. We do this by specifying a Comparison Date (COMPDATE), that is, the drawing state at a time that we wish to use as a baseline or datum.
1974 to current year.
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