By comparing the date to sysdate
I'm trying to compare a date from a database of Oracle (10 g R1) sysdate but does not work.DECLARE
v_exit_date DATE; --Let's assume exit_date from the database is today's date '15-APR-10'
BEGIN
SELECT
exit_date
INTO
v_exit_date
FROM TABLE_1 WHERE student_id = 3020;
IF v_exit_date = sysdate THEN
dbms_output.putline ('Dates are equal');
ELSE
dbms_output.putline ('Dates are not equal');
END;
END;
An equality (=) expression is not evaluated. I always 'The Dates are not equal' when waiting for "the Dates are equal." What is the problem with my PL/SQL?Thank you
Published by: Northstar on April 15, 2010 11:32
I ran this example below and it does not work on my db:
Connected to Oracle Database 11g Enterprise Edition Release 11.1.0.6.0
Connected as fsitja
SQL>
SQL> set serveroutput on
SQL> create table table_1 as select sysdate exit_date, 3020 student_id from dual;
Table created
SQL> DECLARE
2 v_exit_date DATE; --Let's assume exit_date from the database is today's date '15-APR-10'
3 BEGIN
4 SELECT exit_date
5 INTO v_exit_date
6 FROM TABLE_1 WHERE student_id = 3020;
7 IF TRUNC(v_exit_date) = TRUNC(SYSDATE)
8 THEN dbms_output.put_line ('Dates are equal');
9 ELSE dbms_output.put_line ('Dates are not equal');
10 END IF;
11 END;
12 /
Dates are equal
PL/SQL procedure successfully completed
SQL>
Tags: Database
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