Friday, September 24, 2021

ODI - ETL vs ELT

 ODI 12c supports both the methods.



ETL: (Extract , Transform and load):

  • Transform in separate ETL server
  • Dedicated server
  • Reduced performance
  • High Costs
ELT(Extract, load and transform):
  • Transform in existing RDBMS
  • Leverage resources
  • Increased performances
  • Easier to manage abd lower costs

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