Recent questions tagged #mangodb

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Q: In MongoDB, identify the command that adds an shard with a sharded Cluster.

asked Oct 26, 2020 in MongoDB by AdilsonLima

+1 vote

Q: How to add MongoDB array using insert() with example?

asked Aug 24, 2020 in MongoDB by Hodge

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Q: What is use of GridFS in mongodb?

asked Aug 24, 2020 in MongoDB by Hodge

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Q: Is MongoDB is RDBMS or not?

asked Aug 24, 2020 in MongoDB by Hodge

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Q: What feature of MongoDB is used for safe backups?

asked Aug 24, 2020 in MongoDB by Hodge

+1 vote

Q: What Different languages supported by MongoDB?

asked Aug 24, 2020 in MongoDB by Hodge

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Q: What type of Database is MongoDB?

asked Aug 24, 2020 in MongoDB by Hodge

+1 vote

Q: Why 32-bit System not suitable for MongoDB?

asked Aug 24, 2020 in MongoDB by Hodge

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Q: MongoDB is?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: A collection and a document in MongoDB is equivalent to which of the SQL concepts?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which statement is correct about MongoDB?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which of the following option is a valid MongoDB JSON :

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which statement is correct explanation of MongoDB processes?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Consider a collection posts which has fields: _id, post_text, post_author, post_timestamp, post_tags etc. Which statement query retrieves ONLY the key named post_text from the first document retrieved?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which statement is incorrect statement about find and findOne operations in MongoDB?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: In a collection that contains 100 post documents, what does below command do? db.posts.find().skip(5).limit(5)

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which statement MongoDB query is equivalent to the following SQL query: UPDATE users SET status = "C" WHERE age > 25

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: The MongoDB explain() method does not support verbosity mode:

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Mode in which the explain() command runs in MangoDB?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which statement is true about sharding?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: What is the maximum size of a MongoDB document? m

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: What is the maximum size of Index Key Limit and Number of Indexes per collection?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: What is the output of the following program?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which commands finds all the documents in the posts collection with post timestamp field as null?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which command can be used in mongo shell to show all the databases in your MongoDB instance?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: replica sets vote in the election of a primary replica set?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which command can be used to check the size of a collection named posts?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which commands can cause the database to be locked?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: By default, the MongoDB cursor in mongo shell is configured to return how many documents? To get the next set of documents, which command is used?

asked Jun 17, 2020 in MongoDB by AdilsonLima

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Q: Which commands will return all the posts with number of likes greater than 100 and less than 200, both inclusive?

asked Jun 17, 2020 in MongoDB by AdilsonLima

Recent questions tagged #mangodb

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