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QWhich storage engine uses an optimistic concurrency protocol that provides document-level locking?

ID: #6883 MongoDB 136 views
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#6883Q ID
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MongoDBTopic
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  • A MMAPv1 ✔ ✖
  • B WiredTiger ✔ ✖
  • C Both and ✔ ✖
  • D None of the above ✔ ✖
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Answer: WiredTiger Explanation: The WiredTiger storage engine uses an optimistic concurrency protocol that effectively provides document-level locking.

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