April 2006
Beginner
1114 pages
98h 16m
English
Content preview from Programming Excel with VBA and .NETBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Avoid denormalized data
If you drag the order node shown in Figure 15-14 onto a worksheet, you get a list containing denormalized data, as shown in Figure 15-16.
Denormalized means that nonrepeating data elements appear multiple times on the worksheet. A user could change one of the nonrepeating items, such as Name, on one row, making that item inconsistent with other rows that are supposed to show the same data. There is no way for Excel to reconcile this inconsistency, so the list can’t be exported.
To avoid this, create nonrepeating and repeating nodes in separate lists, as shown in Figure 15-17.
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