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
Document Store
2
Key-Value Store
3
Relational Database
4
Column-Family Store
Question 3
Which of the following is an example of a Key-Value Store?
1
Cassandra
2
Redis
3
Neo4j
4
MongoDB
Question 4
Which feature makes NoSQL databases highly scalable?
1
Fixed Schema
2
Vertical Scaling
3
Horizontal Scaling
4
Single Server Architecture
Question 5
Which of the following statements about NoSQL and SQL databases is TRUE?
1
NoSQL databases use relational tables to store data.
2
SQL databases cannot store unstructured data.
3
NoSQL databases always provide better performance than SQL databases.
4
NoSQL is better for large-scale, distributed applications.
Question 6
Which NoSQL database uses JSON-like documents to store data?
1
Redis
2
MongoDB
3
HBase
4
Cassandra
Question 7
Which query language does MongoDB use?
1
CQL
2
MQL
3
SQL
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
Banking Transactions
2
Enterprise Resource Planning (ERP)
3
Accounting Systems
4
E-commerce Product Catalogs
Question 10
Which of the following is NOT an example of a key-value database?
1
PostgreSQL
2
Memcached
3
Cassandra
4
DynamoDB
Question 11
Which of the following is the most suitable key-value database for large-scale event logging and analytics?
1
MongoDB
2
Apache Cassandra
3
HashTable
4
SQLite
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 are schema-less, NoSQL databases require a strict schema
3
SQL databases store data in documents, NoSQL stores data in tables
4
SQL databases do not support transactions, while NoSQL does
Question 13
Which ACID property ensures that once a transaction is committed, it remains so even in case of system failure?
1
Atomicity
2
Consistency
3
Isolation
4
Durability
Question 14
What is the main goal of normalization in a database?
1
To store data in a single large table
2
To increase redundancy
3
To reduce data integrity
4
To minimize redundancy and improve data integrity
Question 15
What does ACID stand for in DBMS?
1
Atomicity, Consistency, Isolation, Durability
2
Automation, Control, Integrity, Dependency
3
Accuracy, Consistency, Isolation, Database
4
Access, Control, Integrity, Data
Question 16
Which of the following is NOT a type of database model?
1
Graph-based
2
Hierarchical
3
Network
4
Linear
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
NULL or an empty response is returned
2
An exception is always thrown
3
The database shuts down
4
A default value is returned automatically
Question 19
Which data access pattern is key-value stores best optimized for?
1
Multi-table aggregation
2
Complex joins across tables
3
Direct lookup using a unique key
4
Range-based queries
Question 20
Which Redis data structure allows storing multiple field-value pairs under a single key?
1
List
2
Hash
3
Sorted Set
4
Set
Question 21
Which consistency model is commonly used by distributed key-value stores like DynamoDB?
1
Eventual consistency
2
Strong consistency only
3
Serializability
4
Read uncommitted
Question 22
Which feature allows key-value stores like Redis to act as a cache?
1
Indexing
2
TTL (Time To Live)
3
Foreign keys
4
Triggers
Question 23
Why are key-value stores unsuitable for complex analytics queries?
1
They consume too much memory
2
They cannot scale horizontally
3
They lack support for joins and aggregations
4
They do not support indexing
Question 24
Which storage model does a key-value store primarily use?
1
Table-based model
2
Document-based model
3
Graph-based model
4
Key-to-value mapping model
Question 25
Which factor contributes most to the high performance of key-value stores?
1
Multi-table relationships
2
Strong schema validation
3
Complex indexing strategies
4
Simple data model