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Redis Cheat Sheet/Copy a key

Duplicate a key inside the current or another DB.

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Section: Keys and expiration

Copy a key

bash
bash
COPY user:1 user:1:backup

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Check if key exists
Return how many specified keys exist.
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Delete one or more keys.
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Delete keys lazily in background threads.
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Return the Redis type stored at a key.
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Find matching keys. Use only on small datasets.
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