Date comparison example : DATE Compare « PL SQL « Oracle PL / SQL

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Date comparison example

 
SQL> -- Date comparison example.
SQL> SET SERVEROUTPUT ON
SQL>
SQL> DECLARE
  2     payment_due_date  DATE;
  3  BEGIN
  4     payment_due_date := TO_DATE('1-Jun-1997','dd-mon-yyyy');
  5
  6     DBMS_OUTPUT.PUT_LINE('Today is ' || TO_CHAR(SYSDATE,'dd-Mon-yyyy'));
  7     DBMS_OUTPUT.PUT_LINE('Payment is due on ' || TO_CHAR(payment_due_date,'dd-Mon-yyyy'));
  8
  9     IF payment_due_date = SYSDATE THEN
 10       DBMS_OUTPUT.PUT_LINE('Payment is due today.');
 11     ELSE
 12       DBMS_OUTPUT.PUT_LINE('Payment can wait a while.');
 13     END IF;
 14
 15     IF TRUNC(payment_due_date) = TRUNC(SYSDATE) THEN
 16       DBMS_OUTPUT.PUT_LINE('Wrong! Payment is due today!');
 17     ELSE
 18       DBMS_OUTPUT.PUT_LINE('Wrong! Payment can wait a while.');
 19     END IF;
 20  END;
 21  /
Today is 31-Aug-2006
Payment is due on 01-Jun-1997
Payment can wait a while.
Wrong! Payment can wait a while.

PL/SQL procedure successfully completed.

SQL>
SQL>

           
         
  

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