Sql Server: Update XML Node value with new value in table

Introduction:  In this article I am going to share how to modify or we can say replace XML node/ attribute value with new value in sql server table based on condition. 

In previous articles i explained How to parse xml and get data as comma separated string format and Read or parse xml data and insert into sql table and Autogenerate auto incremented alphanumeric sequential code in sql server and Concatenate rows values as a comma separated string using for xml path and stuff in sqlserver and Bulk insert multiple records from gridview to sql database using xmldata type in asp.net

Implementation: Let’s create a table variable and insert some dummy xml data in table

DECLARE @Employee TABLE(empXML XML)

INSERT INTO @Employee VALUES('<ROOT><Employee Id="101" Name="Hrithik" City="Noida" Age="32" /></ROOT>')

INSERT INTO @Employee VALUES('<ROOT><Employee Id="102" Name="Ranbeer" City="Delhi" Age="25" /></ROOT>')

INSERT INTO @Employee VALUES('<ROOT><Employee Id="103" Name="Akshay" City="Mumbai" Age="56" /></ROOT>')

INSERT INTO @Employee VALUES('<ROOT><Employee Id="104" Name="Sidharth" City="Kolkata" Age="33" /></ROOT>')

INSERT INTO @Employee VALUES('<ROOT><Employee Id="105" Name="Randeep" City="Chennai" Age="29" /></ROOT>')

INSERT INTO @Employee VALUES('<ROOT><Employee Id="106" Name="Varun" City="Bengaluru" Age="30" /></ROOT>')

Check table data

SELECT * FROM @Employee

Suppose we want to update value of city node to "Pune" where Employee Id is 105

Then the query will be as following:

UPDATE @Employee SET

empXML.modify('replace value of (ROOT/Employee/@City)[1] with "Pune"')

WHERE empXML.value('(ROOT/Employee/@Id)[1]', 'INT') = 105

Check updated table data now

SELECT * FROM @Employee

   Now over to you:

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