Data Quality

데이터 품질
WIA-DATA-005
弘益人間 (홍익인간) · Benefit All Humanity

Data Quality Dimensions

🎯 Accuracy

Ensure data correctly represents real-world values and entities

✔️ Completeness

Verify all required data is present without missing values

🔄 Consistency

Maintain uniform data across different systems and over time

⏱️ Timeliness

Ensure data is available when needed and up-to-date

✅ Validity

Confirm data conforms to defined formats and business rules

🔑 Uniqueness

Prevent duplicate records and ensure data integrity

Key Features

📊 Data Profiling

Automated analysis of data structure, content, and relationships

🔍 Validation Rules

Configurable rules engine for data validation and verification

📈 Quality Monitoring

Real-time monitoring of data quality metrics and KPIs

🧹 Data Cleansing

Automated techniques to detect and correct data quality issues

🎯 Great Expectations

Integration with Great Expectations for data validation

🛠️ dbt Tests

Data quality testing framework using dbt test suite

👑 Master Data Management

Centralized management of critical business data entities

⚖️ Quality Governance

Policies, procedures, and accountability for data quality