NoSQL Databases

#1. What does NoSQL stand for?

Not Only SQL

Next-generation SQL

Non-SQL Database

No Structured Query Language

#2. Which of the following is NOT a type of NoSQL database?

Relational

Document-based

Key-Value

Graph

#3. Which NoSQL database is best suited for hierarchical dat

Key-Value Store

olumn Store

Graph Database

Document Store

#4. Which of these is a Key-Value database?

Cassandra

Neo4j

Redis

MongoDB

#5. What is the main advantage of NoSQL databases over SQL databases?

Horizontal scalability

Better at handling structured data

Limited data model flexibility

Supports only ACID transactions

#6. Which of the following is an example of a document-oriented database?

Neo4j

MongoDB

Cassandra

Redis

#7. Column-family databases are most suitable for which type of use case?

Real-time analytics

Key-value caching

Time-series data

Social networks

#8. Which NoSQL database uses CQL (Cassandra Query Language)?

MongoDB

CouchDB

Redis

Cassandra

#9. What consistency model do most NoSQL databases follow?

Immediate consistency

Causal consistency

Strong consistency

Eventual consistency

#10. Which of the following supports ACID transactions?

DynamoDB

Redis

MongoDB (v4.0+)

Cassandra

#11. Which CAP theorem tradeoff is usually prioritized by NoSQL databases?

Consistency and Availability

Consistency and Partition Tolerance

All three equally

Availability and Partition Tolerance

#12. What is a graph database used for?

Geospatial data

Storing relationships between entities

Full-text search

Time-series analysis

#13. Which of the following databases is designed for distributed systems?

MongoDB

MySQL

Oracle

Cassandra

#14. What is the main storage unit in a document-oriented database?

Row

Document

Table

Key-Value Pair

#15. Which NoSQL database is best for session storage?

Neo4j

Cassandra

CouchDB

Redis

#16. What is the primary language used to query MongoDB?

SQL

CQL

JSON

MQL (Mongo Query Language)

#17. Which NoSQL database is ideal for managing graph-based data?

Redis

MongoDB

DynamoDB

Neo4j

#18. In Cassandra, a collection of columns is called a:

Row

Column Family

Keyspace

Table

#19. What format do document-based NoSQL databases commonly use?

HTML

XML

JSON

CSV

#20. What is sharding in NoSQL databases?

Compressing data

Encrypting data

Indexing data

Partitioning data across multiple nodes

#21. Which database provides built-in MapReduce functionality?

CouchDB

Cassandra

Neo4j

Redis

#22. DynamoDB is a NoSQL database offered by:

Amazon Web Services (AWS)

IBM Cloud

Microsoft Azure

Google Cloud

#23. Which of these is an advantage of NoSQL databases?

Supports relational joins

Requires structured data

Handles large volumes of unstructured data

Enforces strict schema

#24. What is the primary use case for a Key-Value database?

Relationship management

Complex queries

Caching

Data visualization

#25. Which database is based on Google’s Bigtable?

DynamoDB

Cassandra

Couchbase

HBase

#26. What type of database is CouchDB?

Column Store

Key-Value Store

Graph Database

Document Store

#27. What does BASE stand for in NoSQL systems

Basic Atomicity, Strong consistency, Eventual consistency

Basic Availability, Strong state, Easy consistency

Basic Availability, Soft state, Eventual consistency

Basic Access, Strong state, Eventual consistency

#28. Which of the following supports secondary indexes?

Redis

Cassandra

DynamoDB

All of the above

#29. What type of NoSQL database is Amazon DynamoDB?

Key-Value Store

Document Store

Graph Database

Column Store

#30. Which of these is NOT a feature of NoSQL databases?

Horizontal scaling

High scalability

Dynamic schema

Complex joins

#31. What is a namespace in MongoDB?

Combination of database and collection name

Field name

Database name

Index name

#32. Which of these databases supports TTL (Time-to-Live) for records?

Redis

All of the above

MongoDB

DynamoDB

#33. How does a graph database store data?

Key-value pairs

Tables

Nodes and edges

Documents

#34. What is the primary feature of Neo4j?

Graph-based relationships

High write throughput

Document indexing

Key-value storage

#35. Which protocol does CouchDB use for communication?

SMTP

TCP

FTP

HTTP/HTTPS

#36. In Cassandra, what is a keyspace?

An index

A single row

A column family

A namespace for tables

#37. Which database uses a “masterless” architecture?

MongoDB

Neo4j

Cassandra

CouchDB

#38. What is a partition key in NoSQL databases?

Index key for searching

Primary key for the entire database

Foreign key for relationships

Unique identifier for sharding data

#39. Which NoSQL database is widely used for real-time analytics?

A) Redis

HBase

Cassandra

MongoDB

#40. Which database offers built-in full-text search capabilities?

HBase

Redis

Cassandra

MongoDB

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There are Multiple Choice Questions

#1. What does NoSQL stand for?

#2. Which of the following is NOT a type of NoSQL database?

#3. Which NoSQL database is best suited for hierarchical dat

#4. Which of these is a Key-Value database?

#5. What is the main advantage of NoSQL databases over SQL databases?

#6. Which of the following is an example of a document-oriented database?

#7. Column-family databases are most suitable for which type of use case?

#8. Which NoSQL database uses CQL (Cassandra Query Language)?

#9. What consistency model do most NoSQL databases follow?

#10. Which of the following supports ACID transactions?

#11. Which CAP theorem tradeoff is usually prioritized by NoSQL databases?

#12. What is a graph database used for?

#13. Which of the following databases is designed for distributed systems?

#14. What is the main storage unit in a document-oriented database?

#15. Which NoSQL database is best for session storage?

#16. What is the primary language used to query MongoDB?

#17. Which NoSQL database is ideal for managing graph-based data?

#18. In Cassandra, a collection of columns is called a:

#19. What format do document-based NoSQL databases commonly use?

#20. What is sharding in NoSQL databases?

#21. Which database provides built-in MapReduce functionality?

#22. DynamoDB is a NoSQL database offered by:

#23. Which of these is an advantage of NoSQL databases?

#24. What is the primary use case for a Key-Value database?

#25. Which database is based on Google’s Bigtable?

#26. What type of database is CouchDB?

#27. What does BASE stand for in NoSQL systems

#28. Which of the following supports secondary indexes?

#29. What type of NoSQL database is Amazon DynamoDB?

#30. Which of these is NOT a feature of NoSQL databases?

#31. What is a namespace in MongoDB?

#32. Which of these databases supports TTL (Time-to-Live) for records?

#33. How does a graph database store data?

#34. What is the primary feature of Neo4j?

#35. Which protocol does CouchDB use for communication?

#36. In Cassandra, what is a keyspace?

#37. Which database uses a “masterless” architecture?

#38. What is a partition key in NoSQL databases?

#39. Which NoSQL database is widely used for real-time analytics?

#40. Which database offers built-in full-text search capabilities?

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