How to Use Change Tracking and Delta Links for Synchronizing Dataverse Data?
Table of Contents
Question
You develop an integration to synchronize accounts with an internal system. You activate change tracking for both the environment and the account table.
You need to get the latest changes.
Which two actions should you perform? Each correct answer presents part of the solution.
Select all answers that apply.
A. Make a request to the Web API that includes the odata.track-changes header only.
B. Make a request to the Web API that includes the odata.track-changes header and the orderBy query option.
C. Use the deltaLink value returned from the first request to get all subsequent changes.
D. Make a request to the Web API that includes the orderBy option only.
Answer
A. Make a request to the Web API that includes the odata.track-changes header only.
C. Use the deltaLink value returned from the first request to get all subsequent changes.
Explanation
This item tests the candidate’s knowledge about the change tracking setup.
Making a request to the Web API that includes the odata.track-changes header only will respond with a deltaLink which could be used to get subsequent changes. Requesting the deltaLink will return all changes since the last request as well as a new deltaLink which should be used with the next request. Query options are not supported when the preferred header “odata.track-changes” is used. Making a request to the Web API that includes the orderBy option only will return all rows in the account table and not only the latest changes.
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