Accessing Data with COM+
Data access in COM+ is much the same as that presented in MTS. In particular, OLE DB and ADO are the access mechanisms of choice. OLE DB supplies a very powerful and extensible architecture supporting various types of underlying data stores, including any ODBC source. OLE DB is necessarily complex because of its flexibility and performance. ATL consumer and producer templates can ease the burden of OLE DB development in C++. By far, the most popular mechanism for programming OLE DB is, of course, ActiveX Data Objects (ADO). ADO provides a dual interface component implementation operating on top of OLE DB that can easily be used by compiled applications and scripts alike. Of course, if you're like many developers, you ...
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