Data Integration

Combining Data Sources

Integrate data for analysis.

Patterns

ELT: extract, load, transform. ETL: transform before load. CDC: change data capture.

Challenges

Schema mapping. Data types. Duplicates. Timing.

Tools

Fivetran: managed ETL. Airbyte: open source. dbt: transformation.

Key Takeaways

1. Integrate multiple sources
2. ETL vs ELT patterns
3. Fivetran, Airbyte for sync