YEAR

Description

The YEAR function extracts the year part from a specified date or time value, returning the year as an integer. It supports processing DATE and DATETIME types.

This function behaves consistently with the year function in MySQL.

Syntax

YEAR(`<date_or_time_expr>`)

Parameters

Parameter	Description
<date_or_time_expr>	The datetime value to extract year from, supports date/datetime types. For datetime and date formats, please refer to datetime conversion and date conversion

Return Value

Returns the year part of the date/datetime type, INT type, range from 0-9999.

• If the input parameter is NULL, returns NULL

Examples

-- Extract year from DATE type
SELECT YEAR('1987-01-01') AS year_date;
+-----------+
| year_date |
+-----------+
|      1987 |
+-----------+

-- Extract year from DATETIME type (ignoring hours, minutes, seconds)
SELECT YEAR('2024-05-20 14:30:25') AS year_datetime;
+---------------+
| year_datetime |
+---------------+
|          2024 |
+---------------+

-- Input is NULL (returns NULL)
SELECT YEAR(NULL) AS null_input;
+------------+
| null_input |
+------------+
| NULL       |
+------------+