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Data types in Redis

Here are some of the data types in Redis along with some examples:

  • Strings: The simplest data type in Redis, a string can hold any binary data, such as a serialized object or JSON data. Examples:

sql
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SET name "John"
GET name

  • Lists: A list in Redis is a collection of ordered elements, where each element can be any string. Examples:

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    LPUSH numbers 1 2 3
RPUSH numbers 4 5 6
LRANGE numbers 0 -1

  • Sets: A set is an unordered collection of unique strings. Examples:

    • python
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    SADD fruits "apple" "banana" "orange"
SISMEMBER fruits "banana"
SMEMBERS fruits

  • Hashes: A hash in Redis is a collection of key-value pairs, where each key is a string and each value can be any string. Examples:

    • sql
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    HSET user id 1 name "John" age 25
HGETALL user

  • Sorted Sets: A sorted set in Redis is similar to a regular set, but each element is associated with a score, which is used to order the elements. Examples:

    • python
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    ZADD scores 90 "Alice" 80 "Bob" 95 "Charlie"
ZRANGE scores 0 -1 WITHSCORES


    Next: Redis commands and their usage

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