This article is about JET Red used in. For the JET Blue implementation, see. The Microsoft Jet Database Engine is a on which several products have been built. A database engine is the underlying component of a, a collection of information stored on a computer in a systematic way. The first version of Jet was developed in 1992, consisting of three which could be used to manipulate a database. JET stands for Joint Engine Technology, sometimes being referred to as Microsoft JET Engine or simply Jet.

And use or have used Jet as their underlying database engine. It has since been superseded for general use, however, first by (MSDE), then later. For larger database needs, Jet databases can be upgraded (or, in Microsoft parlance, 'up-sized') to Microsoft's flagship database product, SQL Server. However, this does not mean that a MS Jet (Red) database cannot match MS SQL Server in storage capacity. A 5 billion record MS Jet (Red) database with compression and encryption turned on requires about 1 terabyte of disk storage space, comprising hundreds of (*.mdb) files, each acting as partial table, and not as a database in itself. Over the years, Jet has become almost synonymous with Microsoft Access, to the extent that many people refer to a Jet database as an 'Access database'. Jet DLLs There are three modules to Jet: One is the Native Jet ISAM Driver, a (DLL) that can directly manipulate Microsoft Access database files (MDB) using (ISAM).

Another one of the modules contains the ISAM Drivers, DLLs that allow access to a variety of ISAM databases, among them,, and, depending on the version of Jet. The final module is the Data Access Objects (DAO) DLL. 3d Sexvilla 2 Full Download Mac. Provides an that allows programmers to access JET databases using any programming language. Locking [ ] Jet allows multiple users to access the database concurrently. To prevent that data from being corrupted or invalidated when multiple users try to edit the same record or page of the database, Jet employs a locking policy.