Recent questions tagged #mangodb

Madanswer

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

Oct 26 in MongoDB

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

Aug 24 in MongoDB

Q: What is use of GridFS in mongodb?

Aug 24 in MongoDB

Q: Is MongoDB is RDBMS or not?

Aug 24 in MongoDB

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

Aug 24 in MongoDB

Q: What Different languages supported by MongoDB?

Aug 24 in MongoDB

Q: What type of Database is MongoDB?

Aug 24 in MongoDB

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

Aug 24 in MongoDB

Jun 17 in MongoDB

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

Jun 17 in MongoDB

Q: Which statement is correct about MongoDB?

Jun 17 in MongoDB

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

Jun 17 in MongoDB

Q: Which statement is correct explanation of MongoDB processes?

Jun 17 in MongoDB

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?

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

Q: Which statement is true about sharding?

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

Q: What is the output of the following program?

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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?

Jun 17 in MongoDB

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

Jun 17 in MongoDB

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