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MySQL - YEAR() Function
The MySQL YEAR() function is used to retrieve and return the year of the given date or, date time expression.
This function accepts the date value in the 'YYYY-MM-DD' format as an argument and retrieves the 'YYYY' from it. The year value is retrieved as a result-set. Hence, this function returns a numerical value ranging from 0000 to 9999.
A NULL value is returned if the date argument passed to the function is NULL.
Syntax
Following is the syntax of MySQL YEAR() function −
YEAR(date);
Parameters
This method accepts the date value from which you need to retrieve the year as a parameter.
Return value
This function returns the year of the given date or, date time expression.
Example
In the following query, we are using the MySQL YEAR() function to fetch the year of the given date expression −
SELECT YEAR('2023-11-20') As Result;
Output
This will produce the following result −
Result |
---|
2023 |
Example
If the YEAR value in the given date is 0 this function returns 0 as result −
SELECT YEAR('0000-08-20') As Result;
Following is the output −
Result |
---|
0 |
If we pass an empty string or a non-string value as an argument this function returns NULL.
SELECT YEAR('') As Result;
Following is the output −
Result |
---|
NULL |
Here, we are passing a non-string value as an argument. Thus, it returns NULL as result −
SELECT YEAR(1990-11-11) As Result;
Following is the output −
Result |
---|
NULL |
Example
Here, we are retrieving the year segment of the current date (2023-11-20) −
SELECT YEAR(CURDATE()) As Result;
Output
Following is the output −
Result |
---|
0 |
Example
In the following example, let us create a table named ORDERS using CREATE TABLE statement −
CREATE TABLE ORDERS ( OID INT NOT NULL, DATE VARCHAR (20) NOT NULL, CUSTOMER_ID INT NOT NULL, AMOUNT DECIMAL (18, 2) );
Now, insert the following records into the ORDERS table using the INSERT statement −
INSERT INTO ORDERS VALUES (102, '2009-10-08 00:00:00', 3, 3000.00), (100, '2009-10-08 00:00:00', 3, 1500.00), (101, '2009-11-20 00:00:00', 2, 1560.00), (103, '2008-05-20 00:00:00', 4, 2060.00);
Execute the below query to fetch all the inserted records in the above-created table −
Select * From ORDERS;
Following is the ORDERS table −
OID | DATE | CUSTOMER_ID | AMOUNT |
---|---|---|---|
102 | 2009-10-08 00:00:00 | 3 | 3000.00 |
100 | 2009-10-08 00:00:00 | 3 | 1500.00 |
101 | 2009-11-20 00:00:00 | 2 | 1560.00 |
103 | 2008-05-20 00:00:00 | 4 | 2060.00 |
Now, we use the MySQL YEAR() function to fetch the year segment of each date value in the "DATE" column.
Select OID, DATE, YEAR(DATE) As Result From ORDERS;
Output
The output is displayed as follows −
OID | DATE | Result |
---|---|---|
102 | 2009-10-08 00:00:00 | 2009 |
100 | 2009-10-08 00:00:00 | 2009 |
101 | 2009-11-20 00:00:00 | 2009 |
103 | 2008-05-20 00:00:00 | 2008 |