1. Master data - Business entities of the organization.Data
revolves around these business entities. Customer,Employee etc. This is
maintained as part of the MDM solution.
2. Transactional Data – Generated as part
of day to day business processes. Also known as the OLTP system Online
transactional processing systems)
3. Analytical Data – Typically related to Key
Performance Indicators (KPIs).Data Warehousing systems are used to store and
retrieve analytical data.
4. Meta Data- Data about data.Describes IT systems, Business
rules etc.
5. Reference Data- Static data elements,
sometime transient like currency ,industry standards. A reference data hub is maintained
for transaction processing.
6. Un-Structured data- All the above
mentioned data would be classified as structured data.Examples of unstructured
data would be Emails,Social Media data i.e. Big Data. Hadoop is a platform used
to manage un-structured data.
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