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Crazy God redis notes 05

Set

and java In the same set The value inside cannot be repeated .

add to ：sadd, see ： smembers , Whether there is ：sismember

Check the number of elements ：scard

remove ：srem

set disorder No repetition Random sampling ：

Delete one at random key :

spop

Set a specified value , Move to another set aggregate ：

smove:

Number set class ：

Difference set ：sdiff

intersection :sinter

Combine :sunion

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