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  1. DZone
  2. Data Engineering
  3. Databases
  4. SQL Query to Convert XML to a Table

SQL Query to Convert XML to a Table

Check out this article wherein the author shows you how to convert XML to a table in an SQL Server.

By 
Nitin Tyagi user avatar
Nitin Tyagi
·
Jun. 01, 16 · Tutorial
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Sometimes a developer might get a certain task to convert XML data to a table in SQL Server. In such scenarios, this post would be helpful to achieve the goal.

We have this sample XML File which we will be converting to a table:

<?xml version="1.0" encoding="utf-8" ?>
<STUDENTS>
  <STUDENT>
    <StudentID>1</StudentID>
    <Name>John Smith</Name>
    <Marks>200</Marks>
  </STUDENT>
  <STUDENT>
    <StudentID>2</StudentID>
    <Name>Mark Johnson</Name>
    <Marks>300</Marks>
  </STUDENT>
<STUDENT>
    <StudentID>3</StudentID>
    <Name>Nitin Tyagi</Name>
    <Marks>400</Marks>
  </STUDENT>
</STUDENTS>


Let us write SQL Query to convert the preceding XML to a table:

DECLARE @XMLData XML
SET @XMLData ='
<STUDENTS>
  <STUDENT>
    <StudentID>1</StudentID>
    <Name>John Smith</Name>
    <Marks>200</Marks>
  </STUDENT>
  <STUDENT>
    <StudentID>2</StudentID>
    <Name>Mark Johnson</Name>
    <Marks>300</Marks>
  </STUDENT>
<STUDENT>
    <StudentID>3</StudentID>
    <Name>Nitin Tyagi</Name>
    <Marks>400</Marks>
  </STUDENT>
</STUDENTS>'


SELECT StudentID = Node.Data.value('(StudentID)[1]', 'INT')
        , [Name] = Node.Data.value('(Name)[1]', 'VARCHAR(MAX)')
        , [Marks] = Node.Data.value('(Marks)[1]', 'INT')

FROM    @XMLData.nodes('/STUDENTS/STUDENT') Node(Data)


Execute the preceding query and check the output:

SQL Query to convert XML to table

XML Database Convert (command) sql

Published at DZone with permission of Nitin Tyagi. See the original article here.

Opinions expressed by DZone contributors are their own.

Related

  • Oracle: Migrate PDB to Another Database
  • How To Convert MySQL Database to SQL Server
  • Migrating from Sakila-MySQL to Couchbase - Part 3: Stored Procedures
  • How to Restore a Transaction Log Backup in SQL Server

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