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Data Repository - Coggle Diagram
Data Repository
Type
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Data Source
- Dependent
- Independent
- Hybrid
- RDBMS
- Star or Snowflake Schema
Data Lake
- Unstructured (ELT)
- Semistructured
- Structured
Data Warehouse (OLAP)
- Enterprise
- Large and Slow
- Structured (ETL)
Analytics
Predictive Analytics
Tell me what is likely to happen, and why
Discovery Analytics
Tell me something important, even without me asking specific questions
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Data Schema
- Star Schema
- Snowflake Schema
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ETL vs ELT
- ETL: Schema on Write
- ELT: Scema on Read
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