Getting the difference between dates - Ask Tom - Oracle

Getting the difference between dates - Ask Tom - Oracle

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日期:2025-11-22
For example: SQL> set serveroutput on. SQL> SQL> declare 2 a date; 3 b date; 4 begin 5 a := sysdate; 6 dbms_lock.sleep(10); -- sleep about 10 seconds give or ......看更多