How to query a table with an XML column to get rows based on column values

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I have a table with an XML Column called Vehicle.

The XML looks like this:

XML

<vehicle>
 <sedan>
  <type color="red" make="honda" year="2019">
   <dealers>
    <dealer address="1234 Cat Drive">
    <dealer address="1944 Dog Drive">
   </dealers>
  </type>
 </sedan>
</vehicle>

For example, I want to select a row based on the address value:
How do I select all data from the XML where the address equals

1234 Cat Drive

What I have tried:

So far what I tried is using the query method.
But there has to be a better way, I also see a lot of web examples but nothing specific to how I can get a row by passing a value.

SQL

SELECT Vehicles.query('/vehicles/sedan/type/dealers/dealer[@address="1944 Dog Drive"]')

Posted 13-Aug-19 21:17pm

AmplitudeXYZ

Updated 13-Aug-19 23:53pm

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2 solutions

Solution 1

Please, follow the instruction from MSDN: Filtering SQL Queries on XML Columns – MCS West Region Community – Database and BI[^]

Posted 13-Aug-19 23:51pm

Maciej Los

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Richard Deeming · Accepted Answer · 2019-08-13T23:53:00

If you just want to select the rows from the table where that address exists within the XML column:

SQL

DECLARE @AddressToFind nvarchar(100) = N'1234 Cat Drive';

SELECT
    Vehicle,
    OtherColumns
FROM
    YourTable
WHERE
    Vehicle.exist('//dealer[@address = sql:variable("@AddressToFind")]') = 1
;

exist() Method (xml Data Type) - SQL Server | Microsoft Docs[^]
Binding Relational Data Inside XML Data - SQL Server | Microsoft Docs[^]

If you want to return parts of the XML document, you can either use query or nodes to shred the document.

query() Method (xml Data Type) - SQL Server | Microsoft Docs[^]
nodes() Method (xml Data Type) - SQL Server | Microsoft Docs[^]