This kind of FBI is another way of selectively indexing or indexing a subset of rows by using FBI. Ahh ... the power of NULL value.
Raj
--------------------------------------------------------------------------------
Rajendra dot Jamadagni at nospamespn dot com
All Views expressed in this email are strictly personal.
QOTD: Any clod can have facts, having an opinion is an art !
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, July 09, 2003 10:05 AM
To: Multiple recipients of list ORACLE-L
Subject: Re: RE: [PMX:#] update about 100K records
that is a really good idea. discard my dopey pl/sql post. this one is alot better.
i must have been sniffing glue when i wrote it.
>
> From: "Jamadagni, Rajendra" <[EMAIL PROTECTED]>
> Date: 2003/07/09 Wed AM 09:39:24 EDT
> To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
> Subject: RE: [PMX:#] update about 100K records
>
> How about creating a function based index on the column ...
>
> function my_func(table_column in number) return number
> is
> begin
> if table_column = <your_current_value> then
> return 1
> else
> return null;
> end if;
> end my_func;
> /
>
> Then use this function to create a FBI on the table
> (pk_column, my_func(table_column)
> /
>
> This will give you only those 100000 rows. Then write an update statement
> that will use the FBI in the where clause and you are done.
> After words drop the fbi.
>
> Raj
> ----------------------------------------------------------------------------
> ----
> Rajendra dot Jamadagni at nospamespn dot com
> All Views expressed in this email are strictly personal.
> QOTD: Any clod can have facts, having an opinion is an art !
>
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