Can’t speak for SQL _in general_ but in Postgres land pgTAP is wonderful. Invest in writing some factory functions, and you have the ability to write a very exp

Can’t speak for SQL _in general_ but in Postgres land pgTAP is wonderful. Invest in writing some factory functions, and you have the ability to write a very expressive test suite. We use Postgres functions to provide a data interface that is thoroughly tested. This allows us to ensure that any migration does not break any contracts.