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Oracle EXTRACT function
The Oracle/PLSQL EXTRACT function extracts a value from a date or interval value.
Oracle/PLSQL syntax of EXTRACT function
EXTRACT (
{ YEAR | MONTH | DAY | HOUR | MINUTE | SECOND }
| { TIMEZONE_HOUR | TIMEZONE_MINUTE }
| { TIMEZONE_REGION | TIMEZONE_ABBR }
FROM { date_value | interval_value } )
The EXTRACT function returns a numeric value when the following parameters are provided: YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, TIMEZONE_HOUR, TIMEZONE_MINUTE, TIMEZONE_REGION, TIMEZONE_MINUTE.
- Function EXTRACT returns VARCHAR2 when parameters TIMEZONE_REGION or TIMEZONE_ABBR are provided (because time zone name or abbreviation information is returned).
- You can only extract YEAR, MONTH, and DAY from the date.
- You can only extract TIMEZONE_HOUR and TIMEZONE_MINUTE from date/time with time zone data type.
EXTRACT function can be used in the following versions of Oracle/PLSQL
| Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i |
Let’s consider some examples of EXTRACT function and learn how to use EXTRACT function in Oracle.
SELECT EXTRACT (YEAR FROM DATE '2019-08-22') FROM DUAL;
--Result: 2019
SELECT EXTRACT (MONTH FROM DATE '2019-08-22') FROM DUAL;
--Result: 8
SELECT EXTRACT (DAY FROM DATE '2019-08-22') FROM DUAL;
--Result: 22
SQL: Extract function
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