Master Redis Data Structures And Use Cases with 120 free flashcards. Study using spaced repetition and focus mode for effective learning in Databases.
REmote DIctionary Server
C
6379
An in-memory key-value data store used as a database, cache, and message broker
String
512 MB
Atomically sets a key to a new value and returns the previous one
SETNX is the legacy form; SET ... NX is the modern atomic form that also supports expiration
SET key value XX
SETEX takes seconds; SET ... PX takes milliseconds for finer TTL control
INCR
Redis returns an error
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