How to remove the child element in xml using sql server 2005

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In SQL im writing a query to create a xml

SQL

Select
Case When (A.Course_Fee,0)=0 then 0 else Ceiling (A.Course_Fee) end),2,1) as "ABC/DEF"
From Tab1 B inner join Tab1 A on A.Sno = B.Sno where B.Sname = 'AB'

I want to remove/delete the tag DEF if Course_Fee = 0

Can you please provide the solution?

Posted 28-Aug-13 19:51pm

Divs from Bangalore

Updated 28-Aug-13 20:05pm

Raja Sekhar S

v2

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Raja Sekhar S · Answer 1 · 2013-08-28T21:30:00

SQL

Declare @XML XML
Set @XML ='
<row>
  <ABC>
    <DEF>1</DEF>
  </ABC>
</row>
<row>
  <ABC>
    <DEF>0</DEF>
  </ABC>
</row>'

SELECT line.DEF.value('ABC[1]', 'Int') as ABC
FROM @XML.nodes('row') AS line(DEF) 
--Where line.DEF.value('ABC[1]','Int') <>0 -- if you don't want to see 0 Un-comment it

--Output will be
--ABC
-----
--1
--0

SET @XML.modify('delete //row/ABC/DEF [.=''0'']')
--Output will be
--<row>
--  <ABC>
--    <DEF>1</DEF>
--  </ABC>
--</row>
--<row>
--  <ABC />
--</row>


SELECT line.DEF.value('ABC[1]', 'Int') as ABC
FROM @XML.nodes('row') AS line(DEF) 

--Output will be
--ABC
-----
--1
--0