Oracle PL/SQL/Date Timezone/Day Calculation

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

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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

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30-JUN-97 10 SQL> SQL>

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