DP-420: Designing and Implementing Cloud-Native Applications Using Microsoft Azure Cosmos DBDemo

By Microsoft · Question Mode

QuestionQ90

Integrate an Azure Cosmos DB solution

You have an Azure Cosmos DB for NoSQL database that contains a container named Container1.

You are developing a new app named App1 that will use Container1.

You need to ensure that, when App1 tries to delete a document in Container1, the action is blocked and an error is returned to the app.

What should you use?

  • A a post-trigger
  • B a stored procedure
  • C a user-defined function (UDF)
  • D a pre-trigger
Explanation

An Azure Cosmos DB pre-trigger executes before a document operation. A pre-trigger configured for the Delete operation can throw an error, aborting the delete operation and returning that error to the calling application.

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