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MySQL DATE_ADD () function

SQL Dates MySQL Date Functions

Definition and Usage

DATE_ADD () function adds a specified time interval to date.

grammar

DATE_ADD(date,INTERVAL expr type)

date date expression argument is legitimate. expr parameter is the time interval you want to add.

type parameter can have the following values:

Type 值
MICROSECOND
SECOND
MINUTE
HOUR
DAY
WEEK
MONTH
QUARTER
YEAR
SECOND_MICROSECOND
MINUTE_MICROSECOND
MINUTE_SECOND
HOUR_MICROSECOND
HOUR_SECOND
HOUR_MINUTE
DAY_MICROSECOND
DAY_SECOND
DAY_MINUTE
DAY_HOUR
YEAR_MONTH


Examples

Suppose we have the following "Orders" table:

OrderId ProductName OrderDate
1 Jarlsberg Cheese 2008-11-11 13:23:44.657

Now, we want to "OrderDate" add 45 days, so you can find the date of payment.

We use the following SELECT statement:

SELECT OrderId,DATE_ADD(OrderDate,INTERVAL 45 DAY) AS OrderPayDate
FROM Orders

result:

OrderId OrderPayDate
1 2008-12-26 13:23:44.657


SQL Dates MySQL Date Functions