Redis Data Types Cheat Sheet

LPUSH jobs pending-1 pending-2

# Insert one or more elements at the head.

RPUSH jobs pending-1 pending-2

# Insert one or more elements at the tail.

LPOP jobs

# Remove and return the first element.

RPOP jobs

# Remove and return the last element.

BLPOP jobs urgent:jobs 30

# Wait up to 30 seconds for a new element.

BRPOP jobs 30

# Block until an element is available at the tail.

LLEN jobs

# Return the number of elements in a list.

LRANGE jobs 0 9

# Get a range of list elements.

LINDEX jobs 0

# Return a list element by zero-based index.

LSET jobs 0 urgent-1

# Replace an element at a specific index.

LTRIM jobs 0 99

# Keep only a selected range of elements.

LREM jobs 0 duplicate-job

# Remove occurrences of a value.

RPOPLPUSH source processing

# Atomically move an item between lists.

LMOVE source destination RIGHT LEFT

# Generalized replacement for RPOPLPUSH.

BLMOVE source destination RIGHT LEFT 30

# Block until an element can be moved between lists.

LPOS jobs urgent-1

# Find the first index of a matching element.

SADD tags:post:1 redis cache database

# Insert unique set members.

SREM tags:post:1 cache

# Remove members from a set.

SMEMBERS tags:post:1

# Return every member of a set.

SCARD tags:post:1

# Return the number of unique members.

SISMEMBER tags:post:1 redis

# Return whether a member exists in the set.

SMISMEMBER tags:post:1 redis cache nosql

# Test several possible members at once.

SPOP queue:set 2

# Remove and return random set members.

SRANDMEMBER queue:set 3

# Return random members without removing them.

SMOVE online-users offline-users user:1

# Move a member atomically.

SUNION set:a set:b

# Return members from either set.

SINTER set:a set:b

# Return members common to all sets.

SDIFF set:a set:b

# Return members in the first set but not others.

SUNIONSTORE result:set set:a set:b

# Write the union into a destination set.

SINTERSTORE result:set set:a set:b

# Write the intersection into a destination set.

SDIFFSTORE result:set set:a set:b

# Write the difference into a destination set.

SSCAN tags:post:1 0 MATCH re* COUNT 100

# Cursor-based iteration over large sets.

HSET user:1 name Alice email alice@example.com

# Create or update hash fields.

HGET user:1 name

# Read one field from a hash.

HMGET user:1 name email

# Read several fields in one call.

HGETALL user:1

# Read the full hash.

HKEYS user:1

# Return all field names in a hash.

HVALS user:1

# Return all values in a hash.

HLEN user:1

# Return how many fields exist.

HEXISTS user:1 email

# Return 1 if the field exists.

HDEL user:1 email phone

# Delete one or more fields.

HINCRBY counters:api hits 1

# Atomically increment a numeric field.

HINCRBYFLOAT account:1 balance 9.99

# Atomically increment a float field.

HSETNX user:1 created_at 2026-03-06

# Write a field only if it does not exist.

HRANDFIELD user:1 2 WITHVALUES

# Sample random fields from a hash.

HSCAN user:1 0 MATCH meta:* COUNT 100

# Cursor-based iteration over hash fields.

HSTRLEN user:1 name

# Return the string length of a field value.

ZADD leaderboard 100 alice 95 bob

# Insert or update sorted-set scores.

ZSCORE leaderboard alice

# Read a member's numeric score.

ZINCRBY leaderboard 10 alice

# Add to a member's score.

ZRANGE leaderboard 0 9 WITHSCORES

# Get members by ascending rank.

ZREVRANGE leaderboard 0 9 WITHSCORES

# Get members by descending rank.

ZRANGEBYSCORE leaderboard 90 100 WITHSCORES

# Get members in a score range.

ZREVRANGEBYSCORE leaderboard +inf 90 WITHSCORES

# Get members by descending score interval.

ZRANK leaderboard alice

# Return zero-based ascending rank.

ZREVRANK leaderboard alice

# Return zero-based descending rank.

ZREM leaderboard bob

# Delete members from a sorted set.

ZREMRANGEBYRANK leaderboard 0 -101

# Remove all but top 100 members.

ZREMRANGEBYSCORE leaderboard -inf 49

# Remove low-scoring members.

ZCOUNT leaderboard 80 100

# Count how many members fall within a score range.

ZCARD leaderboard

# Return sorted-set cardinality.

ZUNIONSTORE combined 2 board:daily board:weekly

# Combine multiple sorted sets into a destination key.

ZINTERSTORE common 2 board:a board:b

# Intersect sorted sets into a destination key.

ZSCAN leaderboard 0 MATCH a* COUNT 100

# Cursor-based scan over zset members and scores.