SELECT
count(id)
FROM
rd_track_info
WHERE
DATE(create_time) < DATE_SUB(CURDATE(), INTERVAL 7 DAY);

SELECT
count(id)
FROM
rd_track_info
WHERE
DATE(create_time) = DATE_SUB(CURDATE(), INTERVAL 7 DAY);

SELECT
count(id)
FROM
rd_track_info
WHERE
DATE(create_time) > DATE_SUB(CURDATE(), INTERVAL 7
 
 DAY);

/*按天統計*/

SELECT
    count(id) countNum,
    DATE(create_time) createTime
FROM
    rd_track_info
GROUP BY
    DATE(create_time)
ORDER BY
    DATE(create_time) DESC;


/*按周統計*/
SELECT
    count(id) countNum,
    WEEK(create_time) createTime
FROM
    rd_track_info
GROUP BY
    WEEK(create_time)
 
ORDER BY
    WEEK(create_time) DESC;


/*按月統計*/
SELECT
    count(id) countNum,
    MONTH(create_time) createTime
FROM
    rd_track_info
GROUP BY
    MONTH(create_time)
ORDER BY
    MONTH(create_time) DESC;


/*按季度統計*/
SELECT
    count(id) countNum,
    QUARTER(create_time) createTime
FROM
    rd_track_info
 
GROUP BY
    QUARTER(create_time)
ORDER BY
    QUARTER(create_time) DESC;

/*按年統計*/
SELECT
    count(id) countNum,
    YEAR(create_time) createTime
FROM
    rd_track_info
GROUP BY
    YEAR(create_time)
ORDER BY
    YEAR(create_time) DESC;

mysql按天，按周，按月，按季度，按年統計數據