Data Science Model Deployments and Cloud Computing on GCP - Document Databases - NoSQL

The video tutorial introduces document databases, highlighting their schemaless nature and organization into JSON-like objects. It explains how collections in document databases are similar to tables in SQL, but with more flexibility in data structure. The tutorial demonstrates creating JSON objects with key-value pairs and discusses the flexibility of document databases in handling different data structures. It also introduces BSON, a JSON variant used in specific document databases.

What is a key characteristic of document databases?

• They only store text data.

• They are organized into tables.

• They are schemaless and flexible.

• They require a fixed schema.

In a JSON object, what are the components that store data?

• Keys and values

• Rows and columns

• Tables and fields

• Nodes and edges

Which of the following is an example of a JSON key-value pair?

• first name: Scott

• age: 38

• dogs: [Baxter, Moxie]

• All of the above

What is a unique feature of document-based databases compared to traditional databases?

• They are slower than traditional databases.

• They allow entries to have different structures.

• They require all entries to have the same structure.

• They only support text data.

What is BSON in the context of document databases?

• A type of SQL query

• A variant of JSON

• A programming language

• A database management system