Before SQL Server Express, before LocalDB, even before .NET... there was .
The Jet Database Engine has several key features that made it a popular choice for database development: microsoft jet database engine
The (Joint Engine Technology) is a file-sharing database system that serves as the underlying technology for several Microsoft products, most famously early versions of Microsoft Access and Visual Basic. First developed in 1992, it allowed developers to build desktop applications that could store, manipulate, and retrieve data without needing a full-scale server-based database management system (DBMS). History and Evolution Before SQL Server Express, before LocalDB, even before