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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).
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.
OLE DB (Object Linking and Embedding, Database, sometimes written as OLEDB or OLE-DB) is an API designed by Microsoft that allows accessing data from a variety of sources in a uniform manner. The API provides a set of interfaces implemented using the Component Object Model (COM); it is otherwise unrelated to OLE .
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.
Free and open-source software portal unixODBC is an open-source project that implements the Open Database Connectivity ( ODBC ) API . [ 2 ] The code is provided under the GNU GPL / LGPL and can be built and used on many different operating systems, including most versions of Unix , Linux , Mac OS X , IBM OS/2 and Microsoft's Interix .
1. Launch AOL Desktop Gold. 2. On the sign on screen, click the small arrow pointing down. 3. Click Add Username. 4. Type in another username and click Continue.Enter your password in the window that appears.
In contrast, ODBC was developed from the start to be a SQL-based system, based on the standardized Call-Level Interface from X/Open (now part of the Open Group). Under OBDC, every data source was made to look like a SQL server. For serverless sources, such as text files, a local SQL parser would interpret the commands and read the file.