Bitmap
BITOP
Perform bitwise operations between strings.
The BITOP command in Redis is used to perform bitwise operations on multiple keys (or Redis strings) and store the result in a destination key. It is primarily used for performing logical AND, OR, XOR, and NOT operations on binary data stored in Redis.
Arguments
Specifies the type of bitwise operation to perform, which can be one of the
following: AND, OR, XOR, or NOT.
The key to store the result of the operation in.
One or more keys to perform the operation on.
Response
The size of the string stored in the destination key.