NOSQL

What are the four main categories of NoSQL databases?

• Key-Value, Distributed, Column, Graph

• Key-Value, Document, Common, Graph

• Key-Value, Document, Column, Graph

• Key-Value, Relational, Column, Graph

What is the name of the fully managed service model that many NoSQL databases now leverage?

• Software-as-a-service (SaaS)

• Network-as-a-service (NaaS)

• Database-as-a-service (DBaaS)

• Platform-as-a-service (PaaS)

What is the most common trait among all NoSQL databases?

• They are all open source

• 
  They are all non-relational

• They are all relational

• They are all document-based

Which document formats are typically used for documents stored in a document-based NoSQL

database?

• XML and CSV format

• PDF and JSON format

• CSV and JSON format

• XML and JSON format

Which category of NoSQL databases is it recommended not to shard data on?

• Key-Value NoSQL databases

• Column-based NoSQL databases

• Document-based NoSQL databases

• Graph NoSQL databases

What common trait does the NoSQL family of databases share?

• Exclusion of SQL

• Tabular style

• Technology

• 
  Non-relational

What may be the most common reason to use a NoSQL database?

• Security

• Consistency

• Scalability

• Availability

What makes Key-Value NoSQL databases powerful for basic CRUD operations?

• They shard easily across nodes.

• They are atomic for key operations.

• The value blob is opaque

• They are represented as a hashmap.

Which use case would be a poor choice for a document type NoSQL database?

• Operational data sets for a web app

• Event logging for a process

• Online blogging

• Aggregate-oriented design

What is a characteristic of column-based NoSQL databases?

• Columns are grouped together in families because they are often accessed individually.

• Rows in column families can share all, a subset, or none of the columns.

• Rows in column families are required to share the same columns.

• Rows in column families share a common key or identifier.