Oracle date summer 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

0 vote215 views1 answer
Best practive to pass multiple table to stored procedure in sql server
SQL
2 votes175 views1 answer
Mysql find tables with name
SQL
0 vote196 views1 answer
Sort by
SQL
2 votes172 views1 answer
Oracle table size
SQL
2 votes210 views1 answer
Select a certain number of entries from select mysql
SQL
3 votes185 views1 answer
Mssql remove column
SQL
9 votes183 views3 answers
Import DB through mysql console
SQL
0 vote172 views2 answers
SQL FROM
SQL
8 votes192 views1 answer
See all users mysql
SQL
0 vote180 views1 answer
Sql track modification
SQL