Here is my result set:
9.0.1.2 on linux:
SQL> set echo on
SQL> alter session set optimizer_mode=choose;
Session altered.
SQL> alter session set cursor_sharing=force;
Session altered.
SQL> create table tb1 (f1 number(4));
Table created.
SQL> insert into tb1 values (1999);
1 row created.
SQL> insert into tb1 values (2000);
1 row created.
SQL> insert into tb1 values (2001);
1 row created.
SQL> insert into tb1 values (2002);
1 row created.
SQL> commit;
Commit complete.
SQL> select * from tb1;
F1
----------
1999
2000
2001
2002
SQL> analyze table tb1 compute statistics;
Table analyzed.
SQL> select f1 from tb1 where f1 between 2000 and 2000;
F1
----------
2000
SQL> select f1 from tb1 where f1 between 2000 and 2001;
F1
----------
2000
2001
SQL> select f1 from tb1 where f1 between 2001 and 2000;
no rows selected
SQL> drop table tb1;
Table dropped.
SQL>
Joe
[EMAIL PROTECTED] wrote:
> Hi,
>
> Can anybody try this on 9i?
>
> set echo on
> alter session set optimizer_mode=choose;
> alter session set cursor_sharing=force;
> create table tb1 (f1 number(4));
> insert into tb1 values (1999);
> insert into tb1 values (2000);
> insert into tb1 values (2001);
> insert into tb1 values (2002);
> commit;
> select * from tb1;
> analyze table tb1 compute statistics;
> select f1 from tb1 where f1 between 2000 and 2000;
> select f1 from tb1 where f1 between 2000 and 2001;
> select f1 from tb1 where f1 between 2001 and 2000;
> drop table tb1;
>
> Here is what I got on 8.1.7.2.1 64bit on HP-UX 11.0:
>
> SQL> select * from tb1;
> F1
> ----------
> 1999
> 2000
> 2001
> 2002
> SQL> select f1 from tb1 where f1 between 2000 and 2000;
> F1
> ----------
> 2000
> SQL> select f1 from tb1 where f1 between 2000 and 2001;
> F1
> ----------
> 2000
> SQL> select f1 from tb1 where f1 between 2001 and 2000;
> F1
> ----------
> 2001
>
> TIA
>
> Alex.
> PS. What about cursor_sharing=similar ?
>
--
Joe Testa, Oracle DBA
Nothing new to put here, hmmmmmm
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Author: Joe Testa
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