MDAC 2.5 SDK - Technical Articles
MDAC performance has steadily improved, especially for multitier applications. For example, for providers that support it, the OLE DB service components now provide session pooling; MDAC continues with each release to scale better to multiple processors. Another example of the advantages gained using MDAC in your development work is free threading, which allows you to build very efficient and scalable Web server applications. This means, for example, that ADO can be used by multiple clients—each with its own thread—and the threads won't interfere with each other.
The following sections discuss how MDAC technologies can make your development work easier and more effective: