For normal data access, aim for the System.Data and System.Data.SqlClient.
The Management classes are for getting at schema (SMO = SQL Management
Objects, for example). SMO has been there for awhile, so it is not new to
SQL 2008. I am sure the libraries are updated, however.
If you go back to pre .NET, DMO was the method to get schema information. It
was replaced by SMO in .NET.
--
Gregory A. Beamer
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