MCQs>IT & Programming>MongoDB>Suppose you have a collection foo with an index created using the statement db.foo.ensureIndex({a:1, b:-1, c:1}). Which of the following queries could use the index
MongoDB MCQs
Suppose you have a collection foo with an index created using the statement db.foo.ensureIndex({a:1, b:-1, c:1}). Which of the following queries could use the index
Answer
Correct Answer: db.foo.find({b:1})
Explanation:
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