Jetcomp [portable] Jun 2026

Microsoft Jet is a "file-sharing" database system. Unlike SQL Server, which uses a transaction log to ensure data integrity, Jet relies on the stability of the network and the client processes. This makes it susceptible to several issues:

: It identifies and logs specific errors, such as missing indexes or invalid pointers, directly into an MSysCompactError table within the database. jetcomp

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A user might ask: "Why use JETCOMP when Access has a Compact and Repair button?" Microsoft Jet is a "file-sharing" database system