;stroke-width:0px;}%3c/style%3e%3clinearGradient%20id='b'%20x1='4.3'%20y1='22.8'%20x2='19.8'%20y2='2.3'%20gradientTransform='translate(0%2025.3)%20scale(1%20-1)'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20offset='0'%20stop-color='%23f9e833'/%3e%3cstop%20offset='.4'%20stop-color='%23facb3a'/%3e%3cstop%20offset='1'%20stop-color='%23fbb140'/%3e%3c/linearGradient%3e%3c/defs%3e%3cpath%20class='c'%20d='m11.5,19.8c.3-.2.8-.2,1.1,0l5.5,2.9c1.2.6,1.9,0,1.7-1.2l-1-6.1c0-.3,0-.8.3-1l4.4-4.3c.9-.9.6-1.8-.7-2l-6.1-.9c-.3,0-.7-.3-.9-.6L13.1.9c-.6-1.2-1.5-1.2-2.1,0l-2.7,5.6c-.1.3-.5.6-.9.6l-6.1.9c-1.3.2-1.6,1.1-.7,2l4.4,4.3c.2.2.4.7.3,1l-1,6.1c-.2,1.3.5,1.9,1.7,1.2l5.5-2.9h0Z'/%3e%3c/svg%3e){kind=small}
1.
What are the different types of NoSQL databases, with an example of each?
Answer:
NoSQL Fundamentals
- 2.
Explain eventual consistency and its role in NoSQL databases.
Answer: - 3.
How is data modeling in NoSQL databases distinct from that in relational databases?
Answer: - 4.
What advantages do NoSQL databases offer for managing large volumes of data?
Answer: - 5.
When would you choose a NoSQL database over a relational database?
Answer: - 6.
Describe the various consistency models in NoSQL databases and how they handle transactions and conflict resolution.
Answer: - 7.
List some NoSQL databases and the primary use cases they address.
Answer:
Key-Value Stores
- 8.
How does a key-value store operate, and can you give a use-case example?
Answer: - 9.
What strategies can be used to scale key-value stores for high demand or large data volumes?
Answer: - 10.
What are some drawbacks of key-value stores compared to other NoSQL types?
Answer: - 11.
Name a scenario where a key-value store might not be the best fit.
Answer:
Document-Oriented Databases
- 12.
What makes a document in a NoSQL database different from a row in a relational database?
Answer: - 13.
How does indexing work in document-oriented databases?
Answer: - 14.
Give an example of a query in a document-oriented database.
Answer: - 15.
Suggest a typical application for a document-oriented database.
Answer: - 16.
How do document databases handle schema changes and migration?
Answer:
Column-Family Stores
- 17.
Describe the data structure in a column-family store and how it supports certain query types.
Answer: - 18.
Name a popular column-family store and its key features that contribute to its performance.
Answer: - 19.
How are data partitioning and distribution handled in column-family stores?
Answer:
Graph Databases
- 20.
Explain the data representation in a graph database.
Answer: - 21.
Compare querying in graph databases with other NoSQL database types.
Answer: - 22.
Suggest a real-world problem that fits a graph database solution.
Answer: - 23.
Define the role of an edge in a graph database and its relationship with nodes.
Answer:
Data Consistency & Replication
- 24.
What replication strategies are often used in NoSQL databases?
Answer: - 25.
What are quorum reads/writes and their impact on consistency in NoSQL databases?
Answer: - 26.
Describe how NoSQL databases maintain consistency during network issues.
Answer:
Scalability & Performance
- 27.
Explain common data sharding strategies in NoSQL databases and their impact on system performance.
Answer: - 28.
How is load balancing achieved in NoSQL database environments?
Answer: - 29.
Discuss the role of caching in NoSQL database performance enhancement.
Answer: - 30.
What approaches do NoSQL databases use to ensure high availability?
Answer:
Querying and Data Manipulation
- 31.
How do NoSQL databases manage complex queries, such as those requiring join operations?
Answer: - 32.
What is map-reduce, and how is it utilized within NoSQL databases?
Answer: - 33.
Are transactions supported by NoSQL databases, and if so, how are they implemented?
Answer:
Indexing and Storage Strategies
- 34.
Compare indexing strategies between NoSQL and traditional relational databases.
Answer: - 35.
How do different storage formats, like JSON, BSON, or binary, affect the performance and flexibility of NoSQL databases?
Answer:
%20--%3e%3csvg%20version='1.1'%20id='Слой_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%20101%20101'%20style='enable-background:new%200%200%20101%20101;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%23FFFFFF;}%20%3c/style%3e%3cpath%20class='st0'%20d='M80.1,90c0.7,0,1.2-0.6,1.2-1.4c0-0.8-0.5-1.4-1.2-1.4H14.8c-2.7,0-4.9-2.5-4.9-5.6V15.2c0-0.8-0.5-1.4-1.2-1.4%20c-0.7,0-1.2,0.6-1.2,1.4v66.3c0,4.7,3.3,8.5,7.3,8.5H80.1z'/%3e%3cpath%20class='st0'%20d='M91.6,11H66.1c-0.7,0-1.2,0.6-1.2,1.4c0,0.8,0.5,1.4,1.2,1.4h22.7L63,43.7l-20.7,1.7l-0.7,0.4L22.4,67.7%20c-0.5,0.4-0.6,1.4-0.2,2c0.4,0.6,1.2,0.7,1.7,0.3c0.1-0.1,0.1-0.1,0.2-0.3l18.6-21.4l20.7-1.7l0.7-0.4l26.2-30.2v26%20c0,0.8,0.5,1.4,1.2,1.4s1.2-0.6,1.2-1.4V12.4C92.8,11.6,92.3,11,91.6,11z'/%3e%3c/svg%3e){kind=small}
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%2044.5%2044.5'%20style='enable-background:new%200%200%2044.5%2044.5;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:none;stroke:%23202020;stroke-width:1.498;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:3.994;}%20.st1{fill:none;stroke:%23202020;stroke-width:1.498;stroke-linecap:round;stroke-miterlimit:10.005;}%20%3c/style%3e%3cpath%20class='st0'%20d='M11.4,28l11-11.5L33.1,28'/%3e%3ccircle%20class='st1'%20cx='22.2'%20cy='22.2'%20r='21.5'/%3e%3c/svg%3e){kind=small}