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

The video tutorial covers the solution to a quiz involving MongoDB. It starts with setting up a collection and inserting data. The tutorial then demonstrates how to query documents with specific conditions, such as having two tags or three quantities, using the size operator. The video concludes with an invitation for questions and further support.

What is the first step in setting up a MongoDB quiz collection?

• Creating a database

• Creating a collection and inserting data

• Writing a query

• Deleting existing data

Which operator is used to find documents with a specific number of tags?

• Count operator

• Size operator

• Filter operator

• Match operator

How can you retrieve documents with exactly two tags in MongoDB?

• Use the count operator with value 2

• Use the size operator on the tags field with value 2

• Use the match operator with two conditions

• Use the filter operator with two tags

What is the purpose of the size operator in MongoDB?

• To delete documents with a specific size

• To sort documents by size

• To filter documents based on the number of elements in an array

• To count the total number of documents

How do you find documents with three quantities in MongoDB?

• Use the size operator on the Qty field with value 3

• Use the match operator with three conditions

• Use the filter operator with three quantities

• Use the count operator with value 3