Step 4: Load & Validate
Load transformed data into target systems with comprehensive validation and monitoring.
Target System Selection
Decision: PostgreSQL + Google Sheets hybrid approach for maximum flexibility and stakeholder accessibility.
PostgreSQL (Primary)
- • Full historical data (2+ years)
- • Complex queries and joins
- • Data integrity and ACID compliance
- • Automated backup and recovery
Google Sheets (Mirror)
- • Stakeholder-friendly interface
- • Easy ad-hoc analysis
- • No technical barriers
- • Direct Looker integration
Framework Progress
✓
Scope & Strategy✓
Data Ingestion✓
Transform & Model✓
Load & Validate5
Visualize & Report6
Automate & ScaleInfrastructure
PostgreSQL 14Google Sheets APISQLAlchemyTransaction SafetyError Recovery