Data Hierarchy is important in a system. Data hierarchy is defined as a systematic organization of data. When data is recorded, it is very important that it becomes easy to access. In order for it to be organized, data hierarchy needs to maintained in the system. Knowledge management depends on organization. Data Hierarchy provides relationships between the data and other data that has been collected. Without data hierarchy, all the user has is just data in a random order. This makes it hard for the user to locate a piece of information in a field of data.
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