Practice nosql Quizzes
Sharpen your technical edge with advanced nosql quizzes built for serious learners and professionals. These quizzes challenge your reasoning, improve retention and provide hands-on practice similar to real engineering scenarios. Perfect for upskilling and interview preparation.
Explore All nosql Quizzes
Learn nosql step by step with interactive quizzes designed for beginners and learners revising key concepts. Build a strong foundation with clear, structured practice in nosql.
Question 1
Which of the following best describes NoSQL databases?
1
They do not support distributed architectures.
2
They provide flexible schemas for handling unstructured and semi-structured data.
3
They use structured query language (SQL) like relational databases.
4
They are optimized for structured data only.
Question 2
Which of the following is NOT a type of NoSQL database?
1
Column-Family Store
2
Key-Value Store
3
Document Store
4
Relational Database
Question 3
Which of the following is an example of a Key-Value Store?
1
MongoDB
2
Redis
3
Cassandra
4
Neo4j
Question 4
Which feature makes NoSQL databases highly scalable?
1
Vertical Scaling
2
Fixed Schema
3
Single Server Architecture
4
Horizontal Scaling
Question 5
Which of the following statements about NoSQL and SQL databases is TRUE?
1
NoSQL is better for large-scale, distributed applications.
2
NoSQL databases use relational tables to store data.
3
SQL databases cannot store unstructured data.
4
NoSQL databases always provide better performance than SQL databases.
Question 6
Which NoSQL database uses JSON-like documents to store data?
1
MongoDB
2
Cassandra
3
HBase
4
Redis
Question 7
Which query language does MongoDB use?
1
SQL
2
CQL
3
MQL
4
SPARQL
Question 8
Which consistency model is most commonly used in NoSQL databases?
1
Strong Consistency
2
Immediate Consistency
3
Serializability
4
Eventual Consistency
Question 9
Which of the following applications is best suited for NoSQL databases?
1
Accounting Systems
2
E-commerce Product Catalogs
3
Enterprise Resource Planning (ERP)
4
Banking Transactions
Question 10
Which of the following is NOT an example of a key-value database?
1
DynamoDB
2
Memcached
3
PostgreSQL
4
Cassandra
Question 11
Which of the following is the most suitable key-value database for large-scale event logging and analytics?
1
SQLite
2
MongoDB
3
Apache Cassandra
4
HashTable
Question 12
Which of the following is a key difference between SQL and NoSQL databases?
1
SQL databases use structured query language, NoSQL uses flexible data models
2
SQL databases do not support transactions, while NoSQL does
3
SQL databases are schema-less, NoSQL databases require a strict schema
4
SQL databases store data in documents, NoSQL stores data in tables
Question 13
Which ACID property ensures that once a transaction is committed, it remains so even in case of system failure?
1
Atomicity
2
Durability
3
Consistency
4
Isolation
Question 14
What is the main goal of normalization in a database?
1
To minimize redundancy and improve data integrity
2
To increase redundancy
3
To store data in a single large table
4
To reduce data integrity
Question 15
What does ACID stand for in DBMS?
1
Automation, Control, Integrity, Dependency
2
Access, Control, Integrity, Data
3
Accuracy, Consistency, Isolation, Database
4
Atomicity, Consistency, Isolation, Durability
Question 16
Which of the following is NOT a type of database model?
1
Linear
2
Network
3
Graph-based
4
Hierarchical
Question 17
Which of the following is an advantage of NoSQL databases over traditional RDBMS?
1
Schema flexibility
2
Better horizontal scalability
3
Handling unstructured data
4
All of the above
Question 18
What happens when a requested key does not exist in most key-value stores?
1
An exception is always thrown
2
NULL or an empty response is returned
3
A default value is returned automatically
4
The database shuts down
Question 19
Which data access pattern is key-value stores best optimized for?
1
Direct lookup using a unique key
2
Range-based queries
3
Complex joins across tables
4
Multi-table aggregation
Question 20
Which Redis data structure allows storing multiple field-value pairs under a single key?
1
Set
2
List
3
Sorted Set
4
Hash
Question 21
Which consistency model is commonly used by distributed key-value stores like DynamoDB?
1
Strong consistency only
2
Read uncommitted
3
Serializability
4
Eventual consistency
Question 22
Which feature allows key-value stores like Redis to act as a cache?
1
Foreign keys
2
TTL (Time To Live)
3
Triggers
4
Indexing
Question 23
Why are key-value stores unsuitable for complex analytics queries?
1
They consume too much memory
2
They lack support for joins and aggregations
3
They cannot scale horizontally
4
They do not support indexing
Question 24
Which storage model does a key-value store primarily use?
1
Table-based model
2
Graph-based model
3
Key-to-value mapping model
4
Document-based model
Question 25
Which factor contributes most to the high performance of key-value stores?
1
Strong schema validation
2
Simple data model
3
Complex indexing strategies
4
Multi-table relationships