An ever recurring subject in the data quality and master data management (MDM) realms is whether we can establish a single version of the truth.
The most prominent example is whether an enterprise can implement and maintain a single version of the truth about business partners being customers, prospects, suppliers and so on.
In the quest for establishing that (fully reachable or not) single version of the truth we use identity resolution techniques as data matching and we are exploiting ever increasing sources of external reference data.
However I am often met with the challenge that despite what is possible in aiming for that (fully reachable or not) single version of the truth, I am often limited by the practical possibilities for storing it.
In storing party master data (and other kind of data) we may consider these three different ways:
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