//查询一周 格式:select * from 表名称 where date_sub(curdate(), interval 6 day) <= date(表内时间字段); 语句:select * from garbage_collect where date_sub(curdate(), interval 6 day) <= date(collection_time); //查询一个月 格式:select * from 表名称 where date_sub(curdate(), interval 1 month) <= date(表内时间字段); 语句:select * from garbage_collect where date_sub(curdate(), interval 1 month) <= date(collection_time); //查询近半年 格式:select * from 表名称 where date_sub(curdate(), interval 6 month) <= date(表内时间字段); 语句:select * from garbage_collect where date_sub(curdate(), interval 6 month) <= date(collection_time);
//查询2020年的数据: 格式:select * from 表名称 where year(表名称.表字段)="某年" 语句:select * from garbage_collect where year(garbage_collect.collection_time)="2020" //查询9月份的数据: 格式:select * from 表名称 where year(表名称.表字段)="某月" 语句:select * from garbage_collect where month(garbage_collect.collection_time)="09" //查询时期是08的数据: 格式:select * from 表名称 where year(表名称.表字段)="某日" 语句:select * from garbage_collect where day(garbage_collect.collection_time)="08" //查询2020年03月份的数据: select * from garbage_collect where year(garbage_collect.collection_time)="2020" and month(garbage_collect.collection_time)="03" //查询2020年03月06日的数据: select * from garbage_collect where year(garbage_collect.collection_time)="2020" and month(garbage_collect.collection_time)="03" and day(garbage_collect.collection_time)="06";
格式:select * from 表名称 where 表字段 between "开始时间" and "结束时间"; 语句:select * from garbage_collect where collection_time between "2020-02-01" and "2020-03-31"; //查询指定时间段数据(开始时间-结束时间)包含结束时间 语句:select * from garbage_collect where collection_time between "2020-03-17" and date_add("2020-03-17",interval 1 day)