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MongoDB Pertanyaan dan Jawaban Wawancara

Test your skills through the online practice test: MongoDB Quiz Online Practice Test

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Ques 6. What is indexing in MongoDB?

Indexing is the process of creating an index (like in a book) to improve the performance of queries. Indexes are used to quickly locate and access the data.

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Ques 7. What is sharding in MongoDB?

Sharding is the process of distributing data across multiple servers. It is MongoDB's approach to meeting the demands of data growth.

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Ques 8. What is the significance of the ObjectId in MongoDB?

ObjectId is a 12-byte identifier typically employed as the primary key in a MongoDB document. It consists of a timestamp, machine identifier, process ID, and a random incrementing value.

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Ques 9. Explain replication in MongoDB.

Replication is the process of synchronizing data across multiple servers. It provides redundancy and increases data availability.

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Ques 10. How can you achieve ACID properties in MongoDB?

MongoDB sacrifices ACID properties for performance and scalability. However, it supports multi-document transactions in recent versions to some extent.

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