CREATE TABLE active_user_summary (
    YEAR      SMALLINT NOT NULL,
    MONTH     TINYINT NOT NULL,
    DAY       TINYINT NOT NULL,
    HOUR      TINYINT NOT NULL,
    clusterid TINYINT UNSIGNED NOT NULL,
    TYPE      CHAR(1) NOT NULL,
    COUNT     INT UNSIGNED NOT NULL DEFAULT 0,
 
    PRIMARY KEY (YEAR, MONTH, DAY, HOUR, clusterid, TYPE)
)