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SQL>
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
2 test_date DATE;
3 day_of_week VARCHAR2(3);
4 years_ahead INTEGER;
5 BEGIN
6 test_date := TO_DATE('1-Jan-1997','dd-mon-yyyy');
7
8 FOR years_ahead IN 1..10 LOOP
9 day_of_week := TO_CHAR(test_date,'Dy');
10
11 IF day_of_week IN ('Sat','Sun') THEN
12 DBMS_OUTPUT.PUT_LINE(TO_CHAR(test_date,'dd-Mon-yyyy')|| ' A long weekend!');
13 ELSE
14 DBMS_OUTPUT.PUT_LINE(TO_CHAR(test_date,'dd-Mon-yyyy')|| ' Not a long weekend.');
15 END IF;
16 test_date := ADD_MONTHS(test_date,12);
17 END LOOP;
18 END;
19 /
01-Jan-1997 Not a long weekend.
01-Jan-1998 Not a long weekend.
01-Jan-1999 Not a long weekend.
01-Jan-2000 A long weekend!
01-Jan-2001 Not a long weekend.
01-Jan-2002 Not a long weekend.
01-Jan-2003 Not a long weekend.
01-Jan-2004 Not a long weekend.
01-Jan-2005 A long weekend!
01-Jan-2006 A long weekend!
PL/SQL procedure successfully completed.
SQL>
SQL>
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