mysql按天，按周，按月，按季度，按年统计数据

/*查询2小时前的数据*/
select * from tableName WHERE
        create_time < DATE_SUB(NOW(), INTERVAL 2 HOUR)

 

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);

 

/*按天统计*/

SELECT
    count(id) countNum, DATE(create_time) createTime FROM rd_track_info GROUP BY DATE(create_time) ORDER BY DATE(create_time) DESC; /*按周统计*/
SELECT
    count(id) countNum, WEEK(create_time) createTime FROM rd_track_info GROUP BY WEEK(create_time) ORDER BY WEEK(create_time) DESC; /*按月统计*/
SELECT
    count(id) countNum, MONTH(create_time) createTime FROM rd_track_info GROUP BY
    MONTH(create_time) ORDER BY
    MONTH(create_time) DESC; /*按季度统计*/
SELECT
    count(id) countNum, QUARTER(create_time) createTime FROM rd_track_info GROUP BY QUARTER(create_time) ORDER BY QUARTER(create_time) DESC; /*按年统计*/
SELECT
    count(id) countNum, YEAR(create_time) createTime FROM rd_track_info GROUP BY
    YEAR(create_time) ORDER BY
    YEAR(create_time) DESC;