Re: Re: Index hehavior

From: Saminathan <saminathans_at_myrealbox.com>
Date: Wed, 05 Nov 2003 10:49:25 -0800
Message-ID: <F001.005D5AE5.20031105104925@fatcity.com>

oracle verson 8.1.7

table1 info

---

id varchar2(80) primary key,
name varchar2(50) (unique index on this column) c1 number
c2 number
c3 number
c4 number
)

-----Original Message-----
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> Date: Wed, 05 Nov 2003 09:34:25 -0800

What Oracle version?

Can you post more detail about the table and index.

At 10:09 AM 11/5/2003, you wrote:
>Hi List,
>
>Does someone throw ligts on the following index behavior
>
>Note
>a)"name" is an unique index column
>b) table and index has been analyzed b4 running the query
>
>1) select id from table1 where name like 'ABC%';
>FULL Table scan
>
>1) select id from table1 where name like 'AB%';
>Index scan
>
>"name" is an unique index column

Wolfgang Breitling
Oracle7, 8, 8i, 9i OCP DBA
Centrex Consulting Corporation
http://www.centrexcc.com

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Author: Saminathan
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Received on Wed Nov 05 2003 - 12:49:25 CST