mysql通过日期查询 sq语句

本文详细介绍如何使用SQL查询不同时间段的数据,包括指定日期、今天、昨天、近7天、近30天、本月、上月、本季度、上季度、本年、上年、本周、上周、当前月份、6个月内及特定时间范围内的数据查询方法。

指定时间

SELECT * FROM intf_sent WHERE DATE_FORMAT(recordtime,'%Y-%m-%d')=DATE_FORMAT('2018-10-15','%Y-%m-%d')
今天

select * from 表名 where to_days(时间字段名) = to_days(now());

昨天

SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1

7天

SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)

近30天

SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名)

本月

SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )

上一月

SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( 时间字段名, '%Y%m' ) ) =1

#查询本季度数据


select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());


#查询上季度数据


select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));


#查询本年数据


select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());


#查询上年数据


select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));

查询当前这周的数据 


SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());

查询上周的数据


SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;

查询当前月份的数据


select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')

查询距离当前现在6个月的数据


select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();

查询上个月的数据


select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),'%Y-%m')

 

select * from ` user ` where DATE_FORMAT(pudate, ' %Y%m ' ) = DATE_FORMAT(CURDATE(), ' %Y%m ' ) ;

 

select * from user where WEEKOFYEAR(FROM_UNIXTIME(pudate,'%y-%m-%d')) = WEEKOFYEAR(now())

 

select * from user where MONTH (FROM_UNIXTIME(pudate, ' %y-%m-%d ' )) = MONTH (now())

 

select * from [ user ] where YEAR (FROM_UNIXTIME(pudate, ' %y-%m-%d ' )) = YEAR (now())and MONTH (FROM_UNIXTIME(pudate, ' %y-%m-%d ' )) = MONTH (now())

 

select * from [ user ] where pudate between 上月最后一天 and 下月第一天where   date(regdate)   =   curdate();

 

select   *   from   test   where   year(regdate)=year(now())   and   month(regdate)=month(now())   and   day(regdate)=day(now())

 

SELECT date( c_instime ) ,curdate( ) FROM `t_score` WHERE 1 LIMIT 0 , 30

MySQL是一个流行的关系型数据库管理系统,其SQL查询语句非常丰富,涵盖了基本的查询、筛选、排序到复杂的聚合和连接操作。以下是MySQL中一些常见的SQL查询语句: 1. **SELECT** - 用于从表中获取数据的基本语句,例如: ```sql SELECT * FROM table_name; SELECT column1, column2 FROM table_name WHERE condition; ``` 2. **WHERE** - 用于过滤结果集: ```sql SELECT * FROM table_name WHERE column = 'value'; ``` 3. **ORDER BY** - 对结果按特定列进行排序: ```sql SELECT * FROM table_name ORDER BY column ASC/DESC; ``` 4. **JOIN** - 连接两个或更多表的数据: ```sql SELECT * FROM table1 JOIN table2 ON table1.column = table2.column; ``` 5. **GROUP BY** - 根据某个列分组并汇总数据: ```sql SELECT column, COUNT(*) FROM table_name GROUP BY column; ``` 6. **COUNT(), SUM(), AVG(), MAX(), MIN()** - 计算行数、求和、平均值、最大值和最小值等统计信息: ```sql SELECT COUNT(column) FROM table_name; ``` 7. **LIKE** 和 **REGEXP** - 模糊匹配: ```sql SELECT * FROM table_name WHERE column LIKE '%pattern%'; ``` 8. **INSERT, UPDATE, DELETE** - 插入、更新和删除记录: ```sql INSERT INTO table_name (column1, column2) VALUES (value1, value2); UPDATE table_name SET column = value WHERE condition; DELETE FROM table_name WHERE condition; ``` 9. **CREATE TABLE, ALTER TABLE, DROP TABLE** - 表的创建、修改和删除: ```sql CREATE TABLE table_name (column1 data_type); ALTER TABLE table_name ADD COLUMN new_column data_type; DROP TABLE table_name; ``` 这只是SQL查询的一小部分,实际使用中还有视图、存储过程、触发器等高级特性。了解并熟练运用这些基础查询语句可以有效管理MySQL数据库
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