NoSQL

Question 1

What does NoSQL stand for?

Answer 1

Not Only SQL

Question 2

What is NoSQL an umbrella term for?

Answer 2

Many different non-relational DBMS

Question 3

Name the four main types of NoSQL databases.

Answer 3

• Wide column stores (Apache Cassandra)
• Document-based stores (MongoDB)
• Graph databases (Neo4J)
• Key-value stores (Redis)

Question 4

What format do document-based stores use to save data?

Answer 4

JSON-like documents

Question 5

What is a key characteristic of document-based stores?

Answer 5

They have flexible schemas

Question 6

When are document-based stores typically chosen?

Answer 6

• When data is semi-structured
• When data changes often
• When scalable performance is needed

Question 7

True or False: Document-based stores group related data together.

Answer 7

True

Question 8

Fill in the blank: NoSQL databases include types like graph databases, document-based stores, _______ stores, and key-value stores.

Answer 8

wide column

Question 9

What is one example of a wide column store?

Answer 9

Apache Cassandra

Question 10

What is one example of a document-based store?

Answer 10

MongoDB

Question 11

What is one example of a graph database?

Answer 11

Neo4J

Question 12

What is one example of a key-value store?

Answer 12

Redis