How to query data for one year in mysql

In mysql, you can use the "DATE_SUB()" function to query data for one year. This function is used to set a specified time interval subtracted from the date. The syntax is "SELECT * FROM table name WHERE time field> ;DATE_SUB(data, INTERVAL 1 YEAR)".

The operating environment of this tutorial: windows10 system, mysql8.0.22 version, Dell G3 computer.

How to query one year's data in mysql

DATE_SUB() function subtracts the specified time interval from the date.

Syntax

DATE_SUB(date,INTERVAL expr type)

The date parameter is a legal date expression. The expr parameter is the time interval you wish to add.

The example is as follows:

SELECT * FROM 表名 WHERE 时间字段>DATE_SUB(CURDATE(), INTERVAL 1 YEAR) 一年 SELECT * FROM 表名 WHERE 时间字段>DATE_SUB(CURDATE(), INTERVAL 1 WEEK) 一周 SELECT * FROM 表名 WHERE 时间字段 >DATE_SUB(CURDATE(), INTERVAL 3 MONTH) 三个月

Extended knowledge:

Suppose we have the following "Orders" table:

Now, we want to subtract 5 days from "OrderDate".

We use the following SELECT statement:

SELECT OrderId,DATE_SUB(OrderDate,INTERVAL 5 DAY) AS SubtractDate FROM Orders

Result:

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