1.

In MongoDB, write operations are atomic at the __________ level.(a) collection(b) document(c) row(d) all of the mentionedThis question was posed to me in class test.The origin of the question is Data Modeling Introduction in portion Data Models of MongoDB

Answer» RIGHT choice is (b) document

To explain I would SAY: No SINGLE write OPERATION can ATOMICALLY affect more than one document or more than one collection.


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