In querying the XML data we have four methods namely
Querymethod Returns a fragment of untyped XML
Value method Returns XML data as a scalar datatype
exists method Checks whether a certain node exists in the XML data
nodes method Returns a single column rowset of nodes from the XML column
In Value method, I tried the value method it gives error?
SELECT BookDetails.value('root/Co
Msg 2389, Level 16, State 1, Line 1
XQuery [Books.BookDetails.value()
My books Table looks like in attachment
This is how Books table was created
CREATE TABLE Books
(
BookID smallint IDENTITY(101,1),
Price smallmoney,
BookDetails XML (BookTypes))
BookDetails is of Type XML and its schema definition follows
-- Creating XML SCHEMA Collection
CREATE XML SCHEMA COLLECTION BookTypes AS '
<schema xmlns="http://www.w3.org/2
<element name="root">
<complexType>
<sequence>
<element name="BookGenere" type="string"/>
<element name="Code" type="integer"/>
</sequence>
</complexType>
</element>
</schema>'
Same is the case with other parameter of BookDetails i.e BookGenere
SELECT BookDetails.value('root/Bo
Msg 9500, Level 16, State 1, Line 1
The data type 'string' used in the VALUE method is invalid.
In the dfinition is clearly mentioned that its type is integer
And while inserting values also the schema stood by its definition
But when iam trying to retrive the values , its not working
Please help
Table structure
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@misermice: The value() method takes the data type from __SQL Server__ as a second argument. So instead of string you should use varchar/nvarchar (with the length specified in arenthesis) and instead of integer use int.
The error about singleton appears because the value() method expects a single node pointed by XPath given as the first argument of the method. So probably this one will work:
SELECT BookDetails.value('(/root/
Business Accounts
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by: vinurajrPosted on 2009-09-10 at 21:04:54ID: 25306647
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