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Redis Practice Test (NoSQL)
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Redis (Remote Dictionary Server) is an open-source, in-memory key-value database, cache, and message broker. It's used for caching web pages, building data infrastructure for real-time applications, and more.  Redis stores data in memory, which delivers speed, reliability, and performance.  Note: Remote Dictionary Server (Redis) and MongoDB are two NoSQL databases that store data in an unstructured format. NoSQL databases store data differently than relational databases, which use tables, rows, and columns.  It supports multiple data types and structures, including: Unique and unsorted... Show more
Redis Practice Test (NoSQL)
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25 Questions

1. Which of the following commands is used to delete a key?
2. With ____, your Redis data is split between multiple Redis instances so that each one only contains a subset of your keys.?
3. In Redis, which of the following commands is used to execute the particular command?
4. When was the Redis database invented?
5. With____, multiple commands can be executed simultaneously without waiting on the results of each one.
6. Which of the following files is created by executing the SAVE command?
7. Does the concept of Sharding is supported by Redis?
8. Among Redis and RDBMS, which of them stores the data in primary memory?
9. Which data type in Redis are maps between string fields and string values?
10. Which type of value-storing model does Aerospike support?
11. Suppose you are asked to intersect multiple sets and store the resulting set in a key, in this situation which of the following commands will you use?
12. Do Redis transactions are atomic in nature?
13. Which of the following commands is used to close the connection?
14. Which server-side scripting language does MongoDB use?
15. In Redis, which of the following commands is used to initiate the transaction?
16. Does Redis support languages like Scala and Smalltalk?
17. Which of the following commands is used when you want to retrieve the value of a key?
18. Which of the following commands will give you the index of a member in a sorted set?
19. In which language, MongoDB has been written?
20. Does the DUMP key command and DEL key command both work the same?
21. What is Memcached?
22. What are transactions in Redis?
23. Does Redis support all the ACID properties?
24. How many data types are there in Redis?
25. Which of the following commands is used when you want to retrieve the value of a key?

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