Data Groups 

As described under Taxonomies above, a large MDM repository may contain hundreds of thousands and even millions of main table records, and these records can be organized within MDM into a hierarchical taxonomy of categories and subcategories.

Just as significantly, the same repository may contain tens or hundreds of thousands of images, text blocks, copy blocks, and PDF files. These objects also need to be organized so that it is possible to locate an object or group of objects for linking to a particular record.

In MDM, each object is assigned to a data group when it is first created or imported into the system. A data group is simply a group of objects, and the set of data groups is organized into a hierarchy similar to the taxonomy hierarchy.

Just as the taxonomy hierarchy is used to organize and break the entire collection of main table records into manageable subgroups called categories, the data groups hierarchy is a parallel classification scheme used to organize objects into subgroups called data groups. For example, you might have separate data groups for Product Images, Category Icons, and Manufacturer Logos.

For more information about data groups, see Editing the Data Groups Hierarchy.