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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

FOR XML and the xml Data Type

By default, the results of any FOR XML query (using all four modes) is streamed to output as a one-column/one-row dataset with a column named XML_F52E2B61-18A1-11d1-B105-00805F49916B of type nvarchar(max). (In SQL Server 2000, this was a stream of XML split into multiple varchar(8000) rows.)

One of the biggest limitations of SQL Server 2000’s XML production was the inability to save the results of a FOR XML query to a variable or store it in a column directly without using some middleware code to first save the XML as a string and then insert it back into an ntext or nvarchar column and then select it out again.

Today, SQL Server 2008 natively supports column storage of XML, using the xml data type. Be sure to read ...

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Publisher Resources

ISBN: 9780768696585Purchase book