Demerits of ODBC
What demerits of ODBC does OLE DB overcome?
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By breaking the characteristics and the functions of a DBMS into COM objects, OLE DB characteristic overcomes major demerits of ODBC. With ODBC, a vendor must make an ODBC driver for almost all DBMS characteristics and functions in order to participate in ODBC at all. This is a large task which requires a substantial initial investment. With OLE DB, but, a DBMS vendor can implement portions of their product.
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