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UnTyped XML. CREATE TABLE TABLE2 ( XMLSample XML) GO INSERT TABLE2 VALUES('TEST') INSERT TABLE2 VALUES('123') - The table should not allow any TYPE of data other than XML format with specific element. But it allows. This is called ' UnTyped XML '.

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Untyped xml

UnTyped XML

CREATE TABLE TABLE2 (XMLSample XML) GO INSERT TABLE2 VALUES('TEST') INSERT TABLE2 VALUES('123') - The table should not allow any TYPE of data other than XML format with specific element. But it allows. This is called 'UnTyped XML '.


Create a schema to valide xml at update and insert time
Create a schema to valide XML at update and insert time.

  • Typed XML : I create one Table with one column as XML datatype. It should allow only INTEGER type of data along with some specific XML Element. This is called 'Typed XML'.


Typed xml
Typed XML

  • We have to define a XML SCHEMA. CREATE XML SCHEMA COLLECTION IntegerInXMLSchema AS ' <schema xmlns="http://www.w3.org/2001/XMLSchema"> <element name=“OurElement" type="int"/> </schema>' GO


Then we create the table with a specific type at the xml columns
Thenwecreate the table with a specific type at the XML columns

  • CREATE TABLE TABLE2 (XMLTyped XML(IntegerInXMLSchema)) GO

  • Inserting this: INSERT TABLE2 VALUES('TEST')

  • Will give error:

  • - It will throw an Err Msg 6909, Level 16, State 1, Line 1 XML Validation: Text node is not allowed at this location, the type was defined with element only content or with simple content. Location: /


Typed xml1
Typed XML

  • INSERT TABLE2 VALUES('<OurElement>123</OurElement>')

  • Will give result:(1 row(s) affected)


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