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  • Back to MongoDB
Beginner
17 questions
Questions
  • 1
    Question 1
  • 2
    Question 2
  • 3
    Question 3
  • 4
    Question 4
  • 5
    Question 5
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    Question 6
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    Question 7
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    Question 8
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    Question 9
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    Question 10
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    Question 11
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    Question 12
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    Question 13
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    Question 14
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    Question 15
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    Question 16
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    Question 17
    Back to MongoDB

    Beginner

    Fundamental MongoDB concepts, CRUD operations, and basic queries

    Questions

    1
    beginner

    What is MongoDB?

    basicsintroduction
    2
    beginner

    What is a Document in MongoDB?

    documentsbasics
    3
    beginner

    What is a Collection in MongoDB?

    collectionsbasics
    4
    beginner

    What is BSON?

    bsondata-format
    5
    beginner

    What is an ObjectId in MongoDB?

    objectid_id
    6
    beginner

    What is the _id field in MongoDB?

    _idprimary-key
    7
    beginner

    What is the difference between find() and findOne()?

    queriesfind
    beginnerPremium

    How do you insert a single document in MongoDB?

    crudinsert
    9
    beginner

    Which method updates only the first matching document?

    crudupdate
    10
    beginner

    Which method deletes all documents matching a filter?

    cruddelete
    11
    beginner

    What is a cursor in MongoDB?

    cursorqueries
    beginnerPremium

    What does the $set operator do?

    operatorsupdate
    beginnerPremium

    Which data types are supported by MongoDB?

    data-typesbasics
    beginnerPremium

    What is MongoDB Atlas?

    atlascloud
    beginnerPremium

    What is MongoDB Compass?

    compassgui
    beginnerPremium

    What is the difference between MongoDB and SQL databases?

    comparisonsql
    beginnerPremium

    Which operator is used to match values equal to a specified value?

    operatorscomparison
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