| Parameter | Type | 
|---|---|
value | datetime, date, datetimestamp, gyear, gyearmonth  | 
Returns: integer
Example
query:
SELECT DAY(CAST("2018-01-02" AS DATE))
results:
| day | 
|---|
| 2 | 
The date function used to return the day value of a date, time, or datetime value.
| Parameter | Type | 
|---|---|
value | datetime, date, datetimestamp, gyear, gyearmonth  | 
query:
SELECT DAY(CAST("2018-01-02" AS DATE))
results:
| day | 
|---|
| 2 | 
AT_TIME_ZONE, DATE_ADD, DATE_COMPARE, DATE_DIFF, DATE_FORMAT, DATE_PARSE, DATE_PART, DATE_SUB, DATE_TRUNC, HOURS, MINUTES, MONTH, NOW, SECONDS, YEAR