I assume you already know what/why/how to use Redis but more of trying to recall what are the data types of Redis is, then you've come to the right post.
|Data Type||Command Prefix||Sorting||Unique||O(1) Operations||Good for|
|String||N/A||N/A||No||-||key-value store, counters|
|List||L||sorted by insertion order||No||add in head, remove in tail||-|
|Set||S||unordered||yes||add, remove, and test for existence||-|
|Sorted Sets||Z||sorted by score||yes||-||-|
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