Even DynamoDb has one https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ql-reference.html https://docs.aws.amazon.com/amazondynamodb/latest/deve

Even DynamoDb has one https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/ql-reference.html https://docs.aws.amazon.com/amazondynamodb/latest/developerg...