MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution ($gt)

The video tutorial discusses solving a quiz problem by creating a new database collection and querying documents based on specific conditions. It explains how to create a collection named 'GT quiz' and load data into it. The tutorial then demonstrates querying documents with a quantity greater than 15 and those with a size greater than 12, using appropriate database commands and operators.

What is the first step in solving the quiz problem involving document quantities and sizes?

• Update document fields

• Create a new database

• Create a new collection

• Delete existing documents

Which command is used to create a new collection in MongoDB?

• DB.createCollection

• DB.newCollection

• DB.addCollection

• DB.initCollection

How do you find documents with a quantity greater than 15 in the 'GT quiz' collection?

• DB.Gtquiz.find({qty: {$gt: 15}})

• DB.Gtquiz.find({qty: {$lt: 15}})

• DB.Gtquiz.find({qty: {$ne: 15}})

• DB.Gtquiz.find({qty: {$eq: 15}})

What field is used to query documents with a size greater than 12?

• document.size

• data.size

• item.size

• collection.size

Which operator is used to find documents with a size greater than a specified value?

• $lt

• $eq

• $gt

• $ne