|Dewey Number||Holds the first 3 digits of the Dewey Classification.||
The Dewey Number comes from the bibliographic record, except for in the Physical Items subject area where it comes from the holdings record.
|Group1||Stores the name of the first level.|
|Group2||Stores the name of the second level.|
|Group3||Stores the name of the third level.|
|Dewey Classifications||Stores the Hierarchy column that allows the user to drill down from the first level of the Dewey Classification to the third level. Using this column provides the user with the option to view the accumulative measures (loans or returns) in each level of the hierarchy.|