Calculating the Number of Days of Summer in June : LAST_DAY « Date Timestamp Functions « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Date Timestamp Functions » LAST_DAY

13. 8. 4. Calculating the Number of Days of Summer in June


SQL> SELECT LAST_DAY('20-JUN-99') "Last_Day",

  2            LAST_DAY('20-JUN-99') - TO_DATE('20-JUN-99') "Days_Summer"

  3       from DUAL;



Last_Day  Days_Summer

--------- -----------

30-JUN-99          10



SQL>

13. 8. LAST_DAY
	13. 8. 1.	The LAST_DAY function returns the last day of any month
	13. 8. 2.	SELECT LAST_DAY('01-JAN-2005') FROM dual;
	13. 8. 3.	Finding the Last Day of the Month Starting Summer
	13. 8. 4.	Calculating the Number of Days of Summer in June
	13. 8. 5.	LAST_DAY(column value)+1
	13. 8. 6.	Combine LAST_DAY and ADD_MONTHS together

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