MongoDB Interview Questions and Answers For Freshers Part-5
41.Can you configure the cache size for MMAPv1? How? No. MMAPv1 does not allow configuring the cache size.
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41.Can you configure the cache size for MMAPv1? How? No. MMAPv1 does not allow configuring the cache size.
Read More31.What are Primary and Secondary Replica sets? Primary and master nodes are the nodes that can accept writes. MongoDB’s replication is ‘single-master:’ only one node can accept write operations at a time. Secondary and slave nodes are read-only nodes that…
Read More21.What is a covered query in MongoDB? A covered query is the one in which: fields used in the query are part of an index used in the query, and the fields returned in the results are in the same…
Read More11.How can you achieve primary key – foreign key relationships in MongoDB? By default MongoDB does not support such primary key – foreign key relationships. However, we can achieve this concept by embedding one document inside another. Foe e.g. an…
Read More1.What are NoSQL databases? What are the different types of NoSQL databases? A NoSQL database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases (like SQL,…
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