Excel possesses formidable database powers. Creating a relational database starts with a Master table that links to subordinates called (awkwardly) Slave, Child, or Detail tables.

Obviously, it costs more to use multiple databases than it would to use one – and specialty lists and merge/purge processes are often a significant investment.

Datafold’s approach constitutes a significant step forward for developers and data analysts who wish to compare multiple databases rapidly and efficiently, without building a makeshift diff tool ...