Скачать или смотреть How to Remove a Tag from XML in SQL Server

Learn how to effectively remove a specific tag from an XML structure in SQL Server using XQuery. This guide walks you through the steps needed to accomplish this task successfully.
---
This video is based on the question https://stackoverflow.com/q/62311946/ asked by the user 'Learner' ( https://stackoverflow.com/u/9777326/ ) and on the answer https://stackoverflow.com/a/62314363/ provided by the user 'AlwaysLearning' ( https://stackoverflow.com/u/390122/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Query to remove a tag in XML in SQL Server

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Remove a Tag from XML in SQL Server

Dealing with XML data in SQL Server can often present unique challenges, especially when you need to manipulate its structure. One common task is removing elements (or tags) within an XML document. In this post, we’ll explore how to remove the <ns1:replyTo> tag from a provided XML structure using SQL Server's XML capabilities.

Understanding the XML Structure

Before we dive into the solution, let’s take a closer look at the XML structure we're working with. Here’s the relevant part of the XML document:

[[See Video to Reveal this Text or Code Snippet]]

The Challenge

The main challenge is to remove the <ns1:replyTo> tag while maintaining the integrity of the other elements in the XML. The removal operation should also take into consideration the namespaces used in the XML.

Solution Steps

1. Table Creation and Data Insertion

First, you’ll need to create a table to store the XML data. The following SQL statement sets up the table and inserts your XML document:

[[See Video to Reveal this Text or Code Snippet]]

2. Update Statement to Remove the Tag

To remove the <ns1:replyTo> tag, you will use the .modify() method in SQL Server combined with XQuery. Here’s how to correctly form your update statement:

[[See Video to Reveal this Text or Code Snippet]]

3. Querying the Updated XML

After executing the update statement, you can retrieve the modified XML to see the result of your action:

[[See Video to Reveal this Text or Code Snippet]]

Resulting XML

Running this query will yield an XML structure without the <ns1:replyTo> tag:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Removing a tag from an XML document in SQL Server is straightforward when you utilize the correct queries and understand your XML structure and namespaces. Using the .modify() function alongside XQuery is a powerful way to maintain your data integrity while making necessary modifications. Now you are equipped to handle similar XML manipulation tasks in the future!