摘要： hive (UserMovieRating)> create table if not exists Users( > UserID int comment 'user id', > Gender string comment 'user sex', > Age int comment '1:Under 18,18:18-24,25:25-34,35:35-44,45:45-49,50:50-55,56:56+', > Occupation int comment '0-20 represents diffe 阅读全文