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Chapter 1: Data Management, Data management is the shared responsibility…

- - - - Structured - normally organized in smaller chunks (entities), same predefined format and length, e.g point of sales data
      - Unstructured - not organized in a predefined manner, e.g email,images, word docs, not predictable
      - Semi-structured - doesn't follow the tabular structure associated with relational databases, other forms of data tables but does contain tags
- - - - Operational decision - day-to-day decisions affecting the running of the organization / mission, (short term - days/ weeks), routine & need to be made quite frequently . Example: MH370 Mission
      - Tactical decision - longer time frame (months / years), tend to have moderate consequences. Example: a toy shop timing the start of its Chrismas promotion
      - Strategic decisions - effect the organizational plans of the whole business, possibly for a number of years, made are less frequently. Example: sell off a subsidiary company in response to falling profits.