Linked Servers
Linked servers enable SQL Server–based applications to include most any other type of data source to be part of a SQL statement execution, including being able to directly reference remote SQL servers. They also make it possible to issue distributed queries, updates, deletes, inserts, commands, and full transactions on heterogeneous data sources across your entire company (network). SQL Server essentially acts as the master query manager. Then, via OLE DB providers and OLE DB data sources, any compliant data source is easily referenced from any valid SQL statement or command. For each data source, either they are directly referenced, or SQL Server creates provider-specific sub-queries issued to a specialized provider. This is ...
Get Microsoft® SQL Server 2012 Unleashed now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
