7-8. Returning the Last Day of a Given Month
Problem
You want to have the ability to obtain the last day for a given month.
Solution
Use the Oracle built-in LAST_DAY function to return the last day of the month for the date that you pass into it. The following example demonstrates a code block in which the LAST_DAY function is used to return the last day of the current month:
DECLARE
last_day VARCHAR2(20);
BEGIN
select LAST_DAY(sysdate)
INTO last_day
FROM DUAL;
DBMS_OUTPUT.PUT_LINE(last_day);
END;
How It Works
The LAST_DAY function is an easy way to retrieve the date for the last day of a given date. To use the function, pass in any date, and the last day of the month for the given date will be returned. The function can be useful ...
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