Amazing world of Data : Building Blocks of Data Warehouse

  • Subject oriented
  • Nonvolatile
  • Integrated
  • Time variant
  • Source data
  • Data staging
  • Data storage
  • Information delivery
  • Management and control
  • Metadata
This diagram in taken from an awesome books on data warehousing, “Data Warehousing Fundamentals for IT Professionals by Paulraj Ponniah”
  • Production data comes from various operational systems of the enterprise which include financial systems, manufacturing systems, and systems along with supply chain management.
  • Internal data refers to an organization’s private user data like customer profit, departmental databases.
  • Archived data refers to periodically taken old operational system data which is stored in an archived file.
  • But most of the time executives depend on data from external sources, which contain statistics relating to their industry produced by external agencies and national statistical offices.

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Abhishek Satish Gore

Abhishek Satish Gore

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Freelancer content writer with a profound understanding of data engineering, big data, and cloud. drop a mail: abhishekgore0605@outlook.com for further details