data-diff is an open-source CLI and Python library for comparing tables and datasets across databases. It is built for data engineers who...
Pros
- Compares data across many database systems rather than only within one platform
- Supports schema, row-count, and row-level value comparisons
- Can validate large tables without exporting entire datasets
Cons
- Requires command-line and database configuration skills
- Less suitable for continuous monitoring than data observability platforms
- Limited visual reporting compared with managed data quality tools
Free, open source