DAMA CDMP-RMD Question Answer
What characteristics does Reference data have that distinguish it from Master Data?
It is more volatile and needs to be highly structured
It is always data from an outside source such as a governing body
It always has foreign database keys to link it to other data
It is less volatile, less complex, and typically smaller than Master Data sets
It provides data for transactions
Reference data and master data are distinct in several key characteristics. Here’s a detailed explanation:
Reference Data Characteristics:
Stability: Reference data is generally less volatile and changes less frequently compared to master data.
Complexity: It is less complex, often consisting of simple lists or codes (e.g., country codes, currency codes).
Size: Reference data sets are typically smaller in size than master data sets.
Master Data Characteristics:
Volatility: Master data can be more volatile, with frequent updates (e.g., customer addresses, product details).
Complexity: More complex structures and relationships, involving multiple attributes and entities.
Size: Larger in size due to the detailed information and numerous entities it encompasses.
References:
Data Management Body of Knowledge (DMBOK), Chapter 7: Master Data Management
DAMA International, "The DAMA Guide to the Data Management Body of Knowledge (DMBOK)"
TESTED 09 Jul 2025
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