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狂神redis笔记05
2022-07-21 00:22:00 【抹茶味的西瓜汁】
Set
和java中一样set里面的值是不能重复的。
添加 :sadd, 查看: smembers ,是否存在:sismember
查看元素数量:scard
移除:srem
set无序 不重复 随机抽:
随机删除一个key :
spop
将一个指定的值,移动到另一个set集合:
smove:
数字集合类:
差集:sdiff
交集:sinter
并集:sunion
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