Oracle PL/SQL/Date Timezone/Day Calculation

Материал из SQL эксперт
Перейти к: навигация, поиск

Calculating the number of days of summer in June, Last_Date function

   <source lang="sql">

SQL> SQL> SQL> -- Calculating the number of days of summer in June. SQL> SELECT LAST_DAY("20-JUN-97") "Last_Day", LAST_DAY("20-JUN-97") - TO_DATE("20-JUN-97") "Days_Summer" from DUAL; Last_Day Days_Summer


-----------

30-JUN-97 10 SQL> SQL>

      </source>