Data Observability vs. Data Testing: Everything You Need to Know
You already test your data. Do you need data observability, too?
Lior Gavish
Feb 12
“In any data system, there are two types of data quality issues: those you can predict (known unknowns) and those you can’t (unknown unknowns)…. known unknowns and unknown unknowns require two distinct approaches to testing and data observability.”