ResultSetDrivenDataObjectTypes 

RDB DAS uses the database metadata retrieved by ODBC driver to create the set of SDO Types used to construct the data graph returned as a result of a query. ODBC returns the data resulting from a query as a set of rows of column values. The metadata associated with this result set provides information about these values. Table name, column name, column type, etc. are all provided for each returned value.

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