RE: How to calculate the size of a transaction?

Ashoke -

   In answer to the simple question, how to find the bytes in a row of a table, the simplest way is to analyze the table, then look at AVG_ROW_LEN column in USER_TABLES view.

Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Mandal, Ashoke Sent: Tuesday, March 16, 2004 4:01 PM
To: oracle-l_at_freelists.org
Subject: RE: How to calculate the size of a transaction?

Hi Stephane,

One of my customer uses some application and this application inserts one row to some tables and multiple rows to some of the tables as part one single transaction. We know the list of the tables and the common key id, which can be used to identify all the rows in all of these tables related to this key id. He is asking how much space in bytes are used to store the data inserted as part of this transaction. How can I get the actual size of a row in all of these tables. Then I can probably add the row size from all the affected tables to get the size of the transaction.

I hope this explains my requirement better.

Thanks,
Ashoke

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Stephane Faroult Sent: Tuesday, March 16, 2004 3:47 PM
To: oracle-l_at_freelists.org
Subject: Re: How to calculate the size of a transaction?

"Mandal, Ashoke" wrote:
>
> Greetings,
>
> I have a set of tables, in which one or multiple records get inserted as
part of a transaction.
> Probably I need to find out the actual size of each row of these tables
and find out the no. of rows inserted as part this transaction and then add all these row size to get the transaction size.
>
> Does anybody have any standard set of scripts, which could be used to find
out the transaction size.
>
> Thanks for your help,
> Ashoke

Ashoke,

  I don't get what you are aiming for. 'transaction size' ? What's that ? A transaction is a logical unit of work. Methinks that if you are interested in the byte-shifting work, you'd rather have a look at V$ROLLSTAT and the amount of redo you generate. Certainly more meaningful figures to me.

-- 
Regards,

Stephane Faroult
Oriole Software
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