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Picture of printed database model

Data Modelling

Existing databases should have up-to-date data models with full metadata down to the attribute level along with data lineage and data lifecycle. This information is essential for ensuring the model can be understood in a few years time when, due to staff turnover the original team are no longer available.

Much effort would have to be spent on documenting existing databases before any future development could progress on them.

Data modelling processes and standards

Data modeling is a skill that few have. It is not simply a case of creating a few tables and indexes in a modeling tool.

Having modeling processes and standards will ensure the approach and technique are correct and will lead to a well documented and optimal data model.

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