Oracle date winter time

ALTER SESSION SET NLS_LANGUAGE=english; -- First day of week
SELECT
	-- Last Sunday of October at 02:00
	NEXT_DAY(LAST_DAY(TO_DATE(TO_CHAR('01/10/' 
        || (EXTRACT(YEAR FROM SYSDATE)-5 + level) || '02:00:00'), 
           'DD/MM/YYYY HH24:MI:SS')) - INTERVAL '7' DAY, 'SUNDAY') AS H_WINTER,
	-- Last Sunday of March at 02:00 (missing hour)
	NEXT_DAY(LAST_DAY(TO_DATE(TO_CHAR('01/03/' 
		|| (EXTRACT(YEAR FROM SYSDATE)-5 + level) || '02:00:00'),
		'DD/MM/YYYY HH24:MI:SS')) - INTERVAL '7' DAY, 'SUNDAY') AS H_SUMMER
FROM DUAL CONNECT BY level <=10;

Similar codes

11 votes315 views4 answers
Round in sql
SQL
0 vote138 views1 answer
Call object contructor and call methods of object
SQL
2 votes135 views1 answer
Select * from table where name like
SQL
0 vote159 views1 answer
Sql date time query find
SQL
1 vote146 views2 answers
Logical operators in sql
SQL
0 vote147 views1 answer
Get who is hired in february in sql
SQL
0 vote129 views1 answer
Sql remove last x char
SQL
0 vote156 views1 answer
How to get button for every record from mysql
SQL
0 vote162 views1 answer
Set Mamp mysql globally
SQL
0 vote145 views1 answer
Oracle cpu metric
SQL