DATA ENGINEERING
Social Media Analytics ETL Entity Relationship Diagram
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CASE ANALYSIS
Scenario
Design an ERD to support ETL processes for ingesting social media data (posts, users, engagements) and storing processed analytics.
Key decisions
- Used separate tables for raw and processed posts to track ETL transformations
- Modeled user as a dimension with snapshot attributes
- Aggregated daily metrics for efficient reporting
- Explicit one-to-one relationship from processed to raw post to ensure lineage
When to reuse this
Suitable for any social media analytics pipeline needing a staging and analytics database schema.
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