What is an MDM Repository?

SAP MDM Interview Questions and SAP MDM Tutorials

SAP MDM Interview Questions and SAP MDM Tutorials


What is an MDM repository? The incorrect or at best incomplete answer

is often that a master data repository is simply a database, and also

since a SQL-based RDBMS is often used for managing master data.

An MDM repository certainly includes a database of information

consisting of text, images, PDFs, and other data about each record, up

to millions of records for some repositories. But a master data repository

is much more than just a large database, and size by itself does not

make a database a master data repository. Rather, it is the richness and

complexity of the underlying information itself and the ways it can be

SAP MDM Interview Questions and SAP MDM Tutorials

SAP MDM Interview Questions and SAP MDM Tutorials

searched and published that uniquely characterize an MDM repository.

Moreover, when an MDM repository of product information is published

as a catalog, the repository of master data is also a sales tool, which

lists the products offered for sale by a vendor and allows potential

customers to browse those products in a convenient way. Often, the

published catalog is the only point of contact a customer will have with a

vendor, which makes the presentation of the product information – the

organization and the design of the published catalog – critically

important to creating brand recognition and a distinct vendor identity. So

a published catalog is also about creating and reinforcing a corporate


Hundreds of details, large and small, must be addressed to turn a

database into a meaningful master data repository, including:

• Rich master data. Rich structured, master data is the essential

lifeblood of a usable MDM repository. For example, an MDM

repository of product information must contain much more than basic

transactional data consisting of just a part number, a price, and a

forty-character description for each product. Master data must

include not only fields of information common to all the products in

the repository, such as part number and price, but also detailed

product specifications (attributes) that may apply to only a subset of

the products. Master data should also include rich content such as

images, text blocks, and PDFs (for MSDS and other data sheets).

• Classification. Rich master data is not enough. The records need to

be organized and classified into a taxonomy consisting of an arbitrary

hierarchy of categories and subcategories, the hierarchy may contain

any number of levels, and multiple simultaneous taxonomies may

coexist in the same MDM repository. And a single category must be

able to appear in multiple places within the hierarchy. For example,

in an MDM repository of product information, a printer accessories

category might be placed under both a printers category and an

accessories category.

MDM Console

Part 1: Basic Concepts

• Product families. A printed catalog of product information provides

an excellent model for how information on groups of records within

an MDM repository of product information should be organized into

product families (also called units, presentations, or modules), which

further partition the products in each category into smaller groups of

products based upon the values of other fields and/or attributes. In

addition to the individual products that comprise the family, a product

family includes the family data (such as an image, a descriptive

paragraph, and feature bullets) as well as detailed specifications on

each of the products arranged into a well-structured tabular layout.

• Product relationships. As a sales tool, a published catalog of

product information requires the wide variety of product relationships

that are essential for effective selling. Relationships include structural

relationships, such as assemblies (a “SKU of SKUs”), kits (a “SKU of

non-SKUs”), bundles (a “non-SKU of SKUs”), and matching sets

(e.g. nuts and screws), as well as merchandising relationships, such

as cross-sells, up-sells, accessories, and consumables. An MDM

repository of product information must be able to capture and

represent all of these product relationships.

SAP MDM Interview Questions and SAP MDM Tutorials

SAP MDM Interview Questions and SAP MDM Tutorials

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