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.
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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 are optimized for structured data only.
3
They use structured query language (SQL) like relational databases.
4
They provide flexible schemas for handling unstructured and semi-structured data.
Question 2
Which of the following is NOT a type of NoSQL database?
1
Key-Value Store
2
Relational Database
3
Document Store
4
Column-Family Store
Question 3
Which of the following is an example of a Key-Value Store?
1
Neo4j
2
MongoDB
3
Cassandra
4
Redis
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 databases always provide better performance than SQL databases.
2
NoSQL databases use relational tables to store data.
3
SQL databases cannot store unstructured data.
4
NoSQL is better for large-scale, distributed applications.
Question 6
Which NoSQL database uses JSON-like documents to store data?
1
HBase
2
Cassandra
3
Redis
4
MongoDB
Question 7
Which query language does MongoDB use?
1
MQL
2
SPARQL
3
SQL
4
CQL
Question 8
Which consistency model is most commonly used in NoSQL databases?
1
Immediate Consistency
2
Eventual Consistency
3
Strong Consistency
4
Serializability
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
Memcached
2
PostgreSQL
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
SQLite
3
HashTable
4
Apache Cassandra
Question 12
Which of the following is a key difference between SQL and NoSQL databases?
1
SQL databases store data in documents, NoSQL stores data in tables
2
SQL databases do not support transactions, while NoSQL does
3
SQL databases use structured query language, NoSQL uses flexible data models
4
SQL databases are schema-less, NoSQL databases require a strict schema
Question 13
Which ACID property ensures that once a transaction is committed, it remains so even in case of system failure?
1
Consistency
2
Atomicity
3
Isolation
4
Durability
Question 14
What is the main goal of normalization in a database?
1
To reduce data integrity
2
To store data in a single large table
3
To minimize redundancy and improve data integrity
4
To increase redundancy
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
Hierarchical
2
Linear
3
Network
4
Graph-based
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
The database shuts down
2
NULL or an empty response is returned
3
An exception is always thrown
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
Direct lookup using a unique key
3
Range-based queries
4
Complex joins across tables
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
Serializability
2
Eventual consistency
3
Strong consistency only
4
Read uncommitted
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 lack support for joins and aggregations
2
They consume too much memory
3
They do not support indexing
4
They cannot scale horizontally
Question 24
Which storage model does a key-value store primarily use?
1
Key-to-value mapping model
2
Document-based model
3
Table-based model
4
Graph-based 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