Concat two xml string in sql

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I have two Xml in my output as xml editor

XML

<Contact>
  <PLate>
    <PlateId>60</PlateId>
    <ActionId>1</ActionId>
  </PLate>
</Contact>

and second one as

XML

<Contact>
  <PLate>
    <PlateId>59</PlateId>
    <ActionId>2</ActionId>
  </PLate>
</Contact>

How to Concatenate this two xml to get final result as

XML

<Contact>
  <PLate>
    <PlateId>60</PlateId>
    <ActionId>1</ActionId>
  </PLate>
</Contact>
<Contact>
  <PLate>
    <PlateId>59</PlateId>
    <ActionId>2</ActionId>
  </PLate>
</Contact>

Posted 22-Oct-12 8:45am

sonal_1785

Updated 24-Oct-12 10:22am

Maciej Los

v2

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Sergey Alexandrovich Kryukov 22-Oct-12 15:09pm

Is either of the XML string a complete XML starting from a document element? If this is so, the result of concatenation is not well-formed XML. For example, your resulting XML code is not well-formed XML. It could be valid only as inner XML of some other document. Do you take it into account? If not, the whole thing makes no sense.
--SA

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Aadhar Joshi · Answer 1 · 2012-10-24T17:50:00

You can simply cast it to varchar(max)/nvarchar(max), concatenate and then
cast it back.

SQL

declare @x xml, @y xml
select @x = '<contact>
  <plate>
    <plateid>60</plateid>
    <actionid>1</actionid>
  </plate>
</contact>'

select @y = '<contact>
  <plate>
    <plateid>59</plateid>
    <actionid>2</actionid>
  </plate>
</contact>'

select cast(cast(@x as nvarchar(max)) + cast(@y as nvarchar(max)) as xml)