12 Questions
What is the purpose of the command: db.transport.find({Max_speed: {$eq:250}}).pretty()?
To display vehicles with a maximum speed of 250
What is the significance of using the $and operator in the command: db.transport.find({$and: [{Max_speed:{$lt:500}}, {Brand:{$eq:'Benz'}}]})?
It retrieves all vehicles with a speed less than 500 and brand 'Benz'
What is a key characteristic of MongoDB as mentioned in the text?
It is a document-oriented database
What is the role of a 'database' in MongoDB?
It contains physical containers for collections
Which company was involved in the development and support of MongoDB?
10gen
What type of programming language is MongoDB written in?
C++
What is the main characteristic of a MongoDB collection?
All documents in a collection are of similar or related purpose
Which statement best describes the dynamic schema feature of MongoDB documents?
Documents within a collection can have different fields or structures
What is one advantage of storing data in a document-oriented database like MongoDB?
Ability to store diverse data structures within the same collection
Why was MongoDB developed as an open-source database server by MongoDB Inc. in 2009?
As a response to the need for modern applications requiring big data capabilities
Which version of MongoDB marked its first ready production release in March 2010?
1.4
What is the primary purpose of building MongoDB as mentioned in the text?
Scalability, Performance, and High Availability
Test your knowledge on NoSQL database operations with these query examples. Learn how to query for vehicles based on specific criteria and practice inserting data into a NoSQL database. Try your hand at using 'find' and 'insert' commands in a NoSQL environment.
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