Chapter One
Welcome to DTS
A company's data is its life. Since the evolution of the mainframe and relational databases, companies
have been evolving and increasing their productivity through database products like SQL Server and
Oracle. The problem with evolution, however, is that some database systems are left behind. They are
just too expensive to convert to the newer systems.
In the past, as a company upgraded its database system, a programmer would have to reprogram the
communication layer through complex code. To remedy the time to market problem this created,
Microsoft invented different ways to communicate with legacy and modern relational databases via an
open standard layer called OLE DB. This breakthrough allowed programmers to communicate with
IBM's DB2 database using code similar to that used to communicate to a Microsoft's SQL Server
database. Suddenly portability became much eas ...
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