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Data warehouse: detailed explanation of hierarchical design

2022-06-28 05:37:00 【Freedom3568】

List of articles

    • brief introduction
    • One . Why? Why do you want to layer the data warehouse
    • Two . How? Data warehouse ETL
      • 1. The misunderstanding of stratification
    • 3、 ... and . The technical framework of midfield
    • Four . Data warehouse layered architecture
    • 5、 ... and . Stick source layer (ODS, Operational Data Store)
      • 5.1 Data real-time offline :
      • 5.2 The main source of data :
      • 5.3 Data storage strategy ( The incremental 、 Total quantity )
      • 5.4 programme
    • 6、 ... and . Storehouse floor (DW,data warehouse)
      • 6.1 The public dimension layer (DIM,Dimension):
      • 6.2 Modeling methods and principles
      • 6.3 Dimension modeling steps
      • 6.4 About the subject :
    • 7、 ... and .DWD: ÿ
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