logic not nvl

From: Khedr, Waleed <Waleed.Khedr_at_FMR.COM>
Date: Fri, 19 Jul 2002 10:03:34 -0800
Message-ID: <F001.0049CCE3.20020719100334@fatcity.com>

Did any of you see this:

SQL> select 'TRUE' from dual where (1 = 1);

'TRU

---

TRUE SQL> select 'FALSE' from dual where lnnvl(1 = 1);

no rows selected

SQL>
SQL> select 'NULL' from dual where (null = 1);

no rows selected

SQL> select 'TRUE' from dual where lnnvl(null = 1);

'TRU

---

TRUE

SQL> 
SQL> 
SQL> select 'FALSE' from dual where       (2=1);

no rows selected

SQL> select 'TRUE' from dual where lnnvl(2=1);

'TRU

---

TRUE Regards,

Waleed

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Author: Khedr, Waleed
  INET: Waleed.Khedr_at_FMR.COM

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Received on Fri Jul 19 2002 - 13:03:34 CDT