Grokking MongoDB
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Multikey Indexes
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Multikey indexes in MongoDB are used to index fields that contain arrays. These indexes allow MongoDB to index each element of the array, which enables efficient querying and sorting based on array values. Multikey indexes are particularly useful for applications that store lists or sets of values within a single field.

Key Points

  • Indexes array elements: Multikey indexes allow for efficient querying of documents based on elements within an array.
  • Supports complex queries: These indexes are useful for queries that need to match, sort, or aggregate data based on array contents

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Table of Contents

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