What is the difference between DICOM Query/Retrieve and DMWL Query?

[MAN TAT LEE]

And what determines the difference? SOP Class?

[Sébastien Jodogne]

When asking questions on this forum, you are invited to make complete sentences in the body of your post.

"What is the difference between DICOM Query/Retrieve and DMWL Query?" => This is explained in the Orthanc Book:

https://book.orthanc-server.com/dicom-guide.html#dicom-network-protocol

https://book.orthanc-server.com/faq/worklist.html

https://book.orthanc-server.com/plugins/worklists-plugin.html

"And what determines the difference? SOP Class?" => C-FIND queries related to worklists are identified by the "1.2.840.10008.5.1.4.31" SOP class UID:

https://www.dicomlibrary.com/dicom/sop/