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By then, Microsoft had already granted Visigenic Software a source code license to develop ODBC on non-Windows platforms. Visigenic ported ODBC to the classic Mac OS, and a wide variety of Unix platforms, where ODBC quickly became the de facto standard. [15] "Real" CLI is rare today.
Microsoft Data Access Components (MDAC; also known as Windows DAC) is a framework of interrelated Microsoft technologies that allows programmers a uniform and comprehensive way of developing applications that can access almost any data store. Its components include: ActiveX Data Objects (ADO), OLE DB, and Open Database Connectivity (ODBC).
DAO were originally called "VT Objects.: DAO 1.0 came up in November 1992 as part of Access 1.0. In version 3.5 it was able to bypass the Jet engine all together and directly access ODBC data sources, including Microsoft SQL Server and other enterprise database systems.
Borland’s Turbo Pascal had a "database" Toolbox add-on, which was the beginning of the Borland compiler add-ons that facilitated database connectivity. Then came the Paradox Engine for Windows – PXENGWIN – which could be compiled into a program to facilitate connectivity to Paradox tables.
These snippets of SQL code can address external data sources through the use of ODBC connections on the local machine. This enables users to interact with data stored outside the Access program without using linked tables or Jet. [44] Users construct the pass-through queries using the SQL syntax supported by the external data source.
The Jet DLL determined what sort of database it was accessing, and how to perform what was requested of it. If the data source was an MDB file (a Microsoft Access format) then it would directly read and write the data to the file. If the data source was external, then it would call on the correct ODBC driver to perform its request.
Bull Run Festival of Lights in Centreville, VA. Get ready to light up your holidays with this 2.5-mile drive-through extravaganza! Take a ride bursting with festive scenes, glowing characters, and ...
The system administrator of a client machine generally creates a separate DSN for each relevant data source. Standardizing DSNs offers a level of indirection ; various applications (for example: Apache / PHP and IIS / ASP ) can take advantage of this in accessing shared data sources.