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Today, businesses use dozens or hundreds of applications to manage all their activities and make the most of their data which lives in many different places, making it difficult, if not impossible, to report and analyse. Data mapping - which in a broader context falls under data management - is the process of mapping data from its original source to its destination. In other words, it is the mapping of data from one database to another.
It is important to distinguish between data mapping, data migration, data integration, data transformation and data warehousing. All of these concepts have different purposes in data management:
Data mapping is a five-step process that, when done correctly, helps companies take action based on data-driven insights.
Depending on your use case, you will want to define the data to be mapped.
In the data mapping process, there is always a source and a destination. Map fields - locations for a predetermined type of data - from one to the other to ensure that all data is transferred and ready for further use.
Imagine you have a country field in your database. Some records may be stored as USA, others as United States. Both mean the same thing. In such cases, you may want to transform the data so you can work with a clean, analysis-ready database.
Caution is not a bad thing, especially when it comes to data transfer. Take a small set of your data and test that everything works as planned.
If the previous tests were successful, deploy the migration, integration or transformation.
The process you needed to achieve - of which data mapping was the cornerstone - will require further review, maintenance and optimization.
Data mapping does not always happen manually. I mean, it does not have to. There are, in fact, three techniques:
This is where software meets people, especially your developers. The team works with the software to map the data, which is a good practice for companies with smaller datasets or limited budgets.
Finally, the data can be mapped manually, which as expected has obvious limitations. Manual data mapping is suitable for one-off data migrations and small datasets.
Modern development is not about building everything from scratch. The JointJS team equips you with plenty of ready-to-use demo apps that can serve as a boilerplate and radically reduce your development time. Start a free 30-day JointJS+ trial, get the source code of the Data mapping application, and go from zero to a fully functional app in no time.