Below I am giving two examples to get quarter from the date in Oracle using PL/SQL and SQL query.
Get Quarter Using PL/SQL Function (Stored Function) in Oracle
The following function takes the date parameter and returns the quarter as the number.
CREATE OR REPLACE FUNCTION get_quarter (p_date IN DATE) RETURN NUMBER AS l_qtr NUMBER; l_month NUMBER; BEGIN l_month := TO_CHAR (p_date, 'mm'); IF l_month IN (1, 2, 3) THEN l_qtr := 1; ELSIF l_month IN (4, 5, 6) THEN l_qtr := 2; ELSIF l_month IN (7, 8, 9) THEN l_qtr := 3; ELSIF l_month IN (10, 11, 12) THEN l_qtr := 4; END IF; RETURN l_qtr; END get_quarter;
Test
SELECT get_quarter (SYSDATE) FROM DUAL;
Output
QUARTER ---------- 3 1 row selected.
Get Quarter Using SQL Query in Oracle
SELECT CASE WHEN TO_CHAR (SYSDATE, 'mm') IN (1, 2, 3) THEN 1 WHEN TO_CHAR (SYSDATE, 'mm') IN (4, 5, 6) THEN 2 WHEN TO_CHAR (SYSDATE, 'mm') IN (7, 8, 9) THEN 3 WHEN TO_CHAR (SYSDATE, 'mm') IN (10, 11, 12) THEN 4 END quarter FROM DUAL;
Output
QUARTER ---------- 3 1 row selected.
Using TO_CHAR Function
Select TO_CHAR(sysdate, 'Q') from dual;
Output
QUARTER ---------- 3 1 row selected.
See also:
- Oracle Date Functions | List of Quick Examples
- Oracle To_Date Function Examples
- Get Previous Months Data in Oracle