Microsoft Azure AI Engineer Associate AI-102 Practice Question
You are defining a JSON schema for a new Azure AI Search index named product-index. The index will be populated by an indexer that processes blob documents. To ensure each blob is represented by a single document, which field attribute must be set to true on exactly one field in the index definition?
An Azure AI Search index must contain exactly one field marked as the document key. Setting the Key attribute to true designates that field as the unique identifier for every document that the indexer uploads. Other attributes such as Filterable, Facetable, or Sortable can be applied to multiple fields or omitted entirely, but without a single Key field the index cannot be created and the indexer has no way to de-duplicate or update documents.
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What is the purpose of the Key field in an Azure AI Search index?
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How does the Indexer use the Key field in Azure AI Search?
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What happens if there is no Key field defined in the Azure AI Search index?
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Microsoft Azure AI Engineer Associate AI-102
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