Week 5 - What is NoSQL?

Question 1

Does NoSQL have a declarative Language?

Answer 1

Not really (effort is going to that the last few years)

Question 2

Does NoSQL have ACID

Answer 2

Nope (the entire point of NoSQL)

Question 3

Does NoSQL have a rigid is the imposed schema

Answer 3

No

Question 4

Why doesn’t NoSQL use referential integrity

Answer 4

The referential integrity check is actually a lot of overhead.

Primary key and foreign key check

And referential integrity refers to primary key and foreign key. Primary key and foreign key check within the database system.

Question 5

4 items to classify NoSQL

Answer 5

1) Key-value
2) Document Based
3) Column Based (family) RowId, Could_id
4) Graph-Based

Question 6

4 items: Describe Column Based NoSQL System

family

Answer 6

1) Row_Id
2) Column_id
3) Timestamp
4) Value

Question 7

Describe Key-value

Answer 7

Key Value Pairs

Question 8

Describe Document Based

Answer 8

Store data as document collections (can be a json document)

Question 9

Describe Graph-Based

Answer 9

Store data as graph (like social graph)

Nodes, edges… etc