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 use structured query language (SQL) like relational databases.
2
They do not support distributed architectures.
3
They provide flexible schemas for handling unstructured and semi-structured data.
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
Column-Family Store
3
Key-Value Store
4
Relational Database
Question 3
Which of the following is an example of a Key-Value Store?
1
Redis
2
MongoDB
3
Neo4j
4
Cassandra
Question 4
Which feature makes NoSQL databases highly scalable?
1
Single Server Architecture
2
Fixed Schema
3
Vertical Scaling
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
SQL databases cannot store unstructured data.
3
NoSQL is better for large-scale, distributed applications.
4
NoSQL databases use relational tables to store data.
Question 6
Which NoSQL database uses JSON-like documents to store data?
1
MongoDB
2
HBase
3
Cassandra
4
Redis
Question 7
Which query language does MongoDB use?
1
SQL
2
SPARQL
3
CQL
4
MQL
Question 8
Which consistency model is most commonly used in NoSQL databases?
1
Eventual Consistency
2
Strong Consistency
3
Immediate Consistency
4
Serializability
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
HashTable
2
SQLite
3
MongoDB
4
Apache Cassandra
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 do not support transactions, while NoSQL does
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
Isolation
4
Consistency
Question 14
What is the main goal of normalization in a database?
1
To increase redundancy
2
To reduce data integrity
3
To minimize redundancy and improve data integrity
4
To store data in a single large table
Question 15
What does ACID stand for in DBMS?
1
Access, Control, Integrity, Data
2
Accuracy, Consistency, Isolation, Database
3
Atomicity, Consistency, Isolation, Durability
4
Automation, Control, Integrity, Dependency
Question 16
Which of the following is NOT a type of database model?
1
Graph-based
2
Hierarchical
3
Linear
4
Network
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
Range-based queries
2
Direct lookup using a unique key
3
Multi-table aggregation
4
Complex joins across tables
Question 20
Which Redis data structure allows storing multiple field-value pairs under a single key?
1
Sorted Set
2
Set
3
Hash
4
List
Question 21
Which consistency model is commonly used by distributed key-value stores like DynamoDB?
1
Strong consistency only
2
Read uncommitted
3
Eventual consistency
4
Serializability
Question 22
Which feature allows key-value stores like Redis to act as a cache?
1
TTL (Time To Live)
2
Foreign keys
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 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
Graph-based model
4
Table-based model
Question 25
Which factor contributes most to the high performance of key-value stores?
1
Complex indexing strategies
2
Strong schema validation
3
Simple data model
4
Multi-table relationships