Microsoft: Jet Database Engine

Before SQL Server Express, before LocalDB, even before .NET... there was .

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Because modern embedded databases (SQLite, LiteDB, DuckDB) stand on Jet’s shoulders. Jet proved a file-based relational engine could be on a Pentium with 16MB of RAM. Before SQL Server Express, before LocalDB, even before

Most people know Jet as the engine behind . But that’s like saying the Wright Flyer was just “a thing with wings.” Before SQL Server Express

✅ – Jet’s indexing and page-level locking were good enough for early email stores.

Here’s a LinkedIn / forum-style post that digs into the fascinating—and often forgotten—role of the in PC history. 🕰️ Remembering Microsoft Jet: The Unsung Hero of 90s Windows Databases