No SQL Flashcards
1
Q
What are Key-Value Stores?
A
Reduce relational structures to a minimum – eg Redis
2
Q
What are Column stores?
A
Rearrange data to store column values together – eg Cassandra
3
Q
What are document stores?
A
Data stored as nested objects – eg MongoDB
4
Q
What are graph stores?
A
Data stored as connected nodes – good for semantic Web – egDB2
5
Q
What are the pros of Key-Value Stores?
A
Simplicity and scalability
6
Q
What are the cons of Key-Value Stores?
A
Lack more advanced features and querying
7
Q
What are the pros of Column Stores?
A
Scalability and flexibility
8
Q
What are the cons of Column Stores?
A
Complexity
9
Q
What are the pros of Document Stores?
A
Ease-of-use
10
Q
What are the cons of Document Stores?
A
Scalability
11
Q
What are the pros of Graph Stores?
A
Graph Joins
12
Q
What are the cons of Graph Stores?
A
Flexibility
