RE: Useful Oracle books - C.J. Date theory vs. practicality

From: <Jared.Still_at_radisys.com>
Date: Fri, 28 May 2004 12:23:45 -0700
Message-ID: <OF0F237602.8F2E2630-ON88256EA2.006A65D4-88256EA2.006A8AF8@radisys.com>

> just for fun, check out these two commands:
>
> IF (some condition) THEN (statement 1) ELSE (statement 2);
> IF NOT (some condition) THEN (statement 2) ELSE (statement 1);
>
> regardless the contents of your data structures,
> in COBOL these two are equivalent but in PL/SQL they are not!

You've really lost me here.

12:22:41 rsysdevdb.radisys.com - jkstill_at_dv01 SQL> 12:22:46 rsysdevdb.radisys.com - jkstill_at_dv01 SQL> l   1 begin
  2

  3     if true then
  4             dbms_output.put_line('TRUE');
  5     else
  6             dbms_output.put_line('FALSE');
  7     end if;
  8
  9     if not true then
 10             dbms_output.put_line('FALSE');
 11     else
 12             dbms_output.put_line('TRUE');
 13     end if;

 14
 15* end;
12:22:47 rsysdevdb.radisys.com - jkstill_at_dv01 SQL> / TRUE
TRUE PL/SQL procedure successfully completed.

Maybe I need a slug of Ardberg to understand.

Jared

---

Please see the official ORACLE-L FAQ: http://www.orafaq.com

---

To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line.

--
Archives are at http://www.freelists.org/archives/oracle-l/
FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------

Received on Fri May 28 2004 - 14:20:55 CDT