October 2008
Beginner to intermediate
1024 pages
31h 30m
English
Content preview from Programming Microsoft® SQL Server™ 2008Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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XML in SQL Server 2008—the xml Data Type
SQL Server 2005 introduced a new data type, xml, for working with XML data, and SQL Server 2008 further enhances it. Using this new data type, you can store XML in its native format, query the data within the XML, efficiently and easily modify data within the XML without having to replace the entire contents, and index the data in the XML. You can use xml as any of the following:
A variable
A parameter in a stored procedure or a user-defined function (UDF)
A return value from a UDF
A column in a table
There are some limitations of the xml data type that you should be aware of. Although this data type can contain and be checked for null values, unlike other native types, you cannot directly compare an instance ...
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