Data Governance · Great Expectations
Great Expectations: open-source data quality
Expectation-based validation, docs, and pipeline integration
Great Expectations is an open-source data quality framework using Expectations to validate data, generate docs, and integrate with ETL/ELT/orchestration pipelines for self-hosted or cloud use.
Expectation rules
Rich built-in/custom checks for schema, ranges, uniqueness, etc.
Data docs
Auto-generated profiling and validation reports.
Pipeline integration
Works with Airflow/dbt/Prefect and other orchestrators.
OSS + cloud
Self-hosted OSS with optional managed cloud.
适用场景 / Use cases
- Batch quality gates
- Pre-warehouse checks
- Data documentation
- Quality enforcement in pipelines