As the name implies, drilling down is a technique you can use to float down a drill hierarchy to see data in more detail. And drilling up is the reverse operation, which you can use to slide up a drill hierarchy to see consolidated data. But what is a drill hierarchy?
A drill hierarchy represents a set of items related to each other according to the foreign key relationships in the underlying tables. If a worksheet item is associated with a drill hierarchy, you can look at that hierarchy by clicking the drill icon located at the left of the heading of the worksheet item.
Suppose you want to look at the hierarchy associated with the Orddate item located on our worksheet at the top axis. To do this, click the Orddate drill icon. As a result, you should see the menu shown in the following screeenshot:
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As you can see, you can drill up here from Orddate to Year, Quarter, or Month. The next screenshot illustrates what you would have if you...
