DBDB.io The Encyclopedia of Database Systems · Est. 2017
Database of Databases

Database Entry

Extensible Storage Engine


Extensible Storage Engine (ESE) is an embedded key-value ISAM DBMS used in various Microsoft products. This system is sometimes referred to as "JET Blue".

Database Entry

Extensible Storage Engine


Extensible Storage Engine (ESE) is an embedded key-value ISAM DBMS used in various Microsoft products. This system is sometimes referred to as "JET Blue".

History[01][05]


ESE was formerly known as Joint Engine Technology (JET) Blue. It was originally developed by Microsoft to replace the JET Red database engine in Access in the 1990s.

Microsoft open-sourced the project in 2021.

Data Model


Query Interface


Storage Model


Storage Organization


System Architecture


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