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# Redis Sinterstore Command [!(#) Redis Sets](#) The Redis Sinterstore command stores the intersection of given sets in a specified set. If the specified set already exists, it will be overwritten. ### Syntax The basic syntax of the Redis Sinterstore command is as follows: redis 127.0.0.1:6379> SINTERSTORE DESTINATION_KEY KEY KEY1..KEYN ### Available Version >= 1.0.0 ### Return Value Returns the number of elements in the set that stores the intersection. ### Example redis 127.0.0.1:6379> SADD myset1 "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset1 "foo" (integer) 1 redis 127.0.0.1:6379> SADD myset1 "bar" (integer) 1 redis 127.0.0.1:6379> SADD myset2 "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset2 "world" (integer) 1 redis 127.0.0.1:6379> SINTERSTORE myset myset1 myset2 (integer) 1 redis 127.0.0.1:6379> SMEMBERS myset 1) "hello" [!(#) Redis Sets](#)