Redis interview questions
- Question 1) What is Redis?
- Question 2) List the data structures supported by Redis.
- Question 3) List some advantages of Redis?
- Question 4) List some commonly used Redis commands?
- Question 5) In which language Redis is written?
- Question 6) List some Redis Clients supported by PHP?
- Question 7) What is redis-cli.
- Question 8) Explain REPL
- Question 9) List the programming languages supported by Redis?
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Below are the list of Best Redis interview questions and Answers
Redis is an open source released under BSD licensed, in-memory data structure store, it can be used as a database, cache and message broker.
Redis supports following Data Structures
- Sorted sets with range queries
- Geospatial indexes with radius queries
Some commonly used Redis commands list
|APPEND||Append a value to a key|
|AUTH||Authenticate to the server|
|BGREWRITEAOF||Asynchronously rewrite the append-only file|
|BGSAVE||Asynchronously save the dataset to disk|
|BITCOUNT||Count set bits in a string|
|CLIENT LIST||Get the list of client connections|
|CLUSTER INFO||Provides info about Redis Cluster node state|
Read more from Redis Commands List
Below are some Redis Clients supported by PHP Programming Language
- PHP Redis implementation / wrapper
- PHP Sentinel Client
redis-cli is the Redis command line interface, a simple program that allows to send commands to Redis, and read the replies sent by the server, directly from the terminal.
REPL stands for Read Eval Print Loop. It an interactive mode where the user types commands and get replies.
Redis supports a wide range of programming language. Some major programming languages supported by Redis are PHP, Java, Python, Scala, Perl, Ruby, C#, and C++.
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