ActiveX Data Object - определение. Что такое ActiveX Data Object
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Что (кто) такое ActiveX Data Object - определение

COMPONENT OBJECT MODEL APIS FOR ACCESSING DATA SOURCES
Active X Data Objects; Msado; ActiveX Data Object; Active Data Objects

ActiveX Data Objects         
<database, Microsoft, programming> (ADO) Microsoft's library for accessing data sources through OLE DB. Typically it is used to query or modify data stored in a relational database. {Home (http://msdn.microsoft.com/library/en-us/ado270/htm/adostartpage1.asp)}. (2003-07-08)
ActiveX Data Objects         
In computing, Microsoft's ActiveX Data Objects (ADO) comprises a set of Component Object Model (COM) objects for accessing data sources. A part of MDAC (Microsoft Data Access Components), it provides a middleware layer between programming languages and OLE DB (a means of accessing data stores, whether databases or not, in a uniform manner).
ActiveX         
SOFTWARE FRAMEWORK CREATED BY MICROSOFT
Active X; Activex; ActiveX control; ActiveX Control; Activex control; ActiveX component; Colusa Software; ActiveXObject; Active-x; Active x; MFC ActiveX Control; ActiveX Object; ActiveX server; ActiveX client
<programming> A type of COM component that can self-register, also known as an "ActiveX control". All COM objects implement the "IUnknown" interface but an ActiveX control usually also implements some of the standard interfaces for embedding, user interface, methods, properties, events, and persistence. ActiveX controls were originally called "OLE Controls", and were required to provide all of these interfaces but that requirement was dropped, and the name changed, to make ActiveX controls lean enough to be downloaded as part of a web page. Because ActiveX components can support the OLE embedding interfaces, they can be included in web pages. Because they are COM objects, they can be used from languages such as Visual Basic, Visual C++, Java, VBScript. ["Understanding ActiveX and OLE", David Chappell, MS Press, 1996]. http://microsoft.com/com/tech/activex.asp. (2002-04-19)

Википедия

ActiveX Data Objects

In computing, Microsoft's ActiveX Data Objects (ADO) comprises a set of Component Object Model (COM) objects for accessing data sources. A part of MDAC (Microsoft Data Access Components), it provides a middleware layer between programming languages and OLE DB (a means of accessing data stores, whether databases or not, in a uniform manner). ADO allows a developer to write programs that access data without knowing how the database is implemented; developers must be aware of the database for connection only. No knowledge of SQL is required to access a database when using ADO, although one can use ADO to execute SQL commands directly (with the disadvantage of introducing a dependency upon the type of database used).

Microsoft introduced ADO in October 1996, positioning the software as a successor to Microsoft's earlier object layers for accessing data sources, including RDO (Remote Data Objects) and DAO (Data Access Objects).

ADO is made up of four collections and twelve objects.