15664214
Beschreibung
Mindmap von Parag Gawde, aktualisiert more than 1 year ago
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Erstellt von Parag Gawde
vor mehr als 5 Jahre
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ETL Functions
- Transform
- Second step. Fetches only the data
required for processing from the
Database.
- Second step. Fetches only the data
required for processing from the
Database.
- Extract
- First step. Pulls out data from multiple desired
sources & makes it available for processing.
- Types
- Full extraction
- Incremental Extraction
- Full extraction
- First step. Pulls out data from multiple desired
sources & makes it available for processing.
- Load
- The Last step. Data is loaded
after transformation to data
warehouse for further analysis.
- The Last step. Data is loaded
after transformation to data
warehouse for further analysis.
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