SDN301m_-_FA_2023_-_RE_-_395_1118.webp

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Multiple Choices
Total Marks: 50
Vol: 8
Font: Microsoft Sans Serif
Size: 10
Time Left:57:24
Answer (Choose 1 answer)
Which of the following key is used to denote uniqueness in the collection?
A. _id
B. id
C. id
D. none of the mentioned