How to compute the sum of words(or bytes) in tables?

Sir
Now there are several million records in a database, I want compute the sum of words(or bytes) in the tables by query condition. I have used ADO to access database, and use this SQL sentence-- 'select length(clo1)+length(col2)+..+length(coln) from tablename where ..' --to get resultset, and then sum the result, the speed is slowly. How can i do it in great efficiency?
thanks

Increasing efficiency?
You revisit the requirement. Determine exactly what is needed and whether adding LENGHTs of columns provides a correct, never mind accurate, answer.
Oracle space utilisation, physical row size and so on, are vastly more complex than a simply adding lengths of columns together.

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MODULE tab_tkhdr_mark INPUT.
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Hi all
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-- Author               : Syed Kaleemuddin_
-- Script_name          : sid_long_ops.sql
-- Description          : list the sid details for long running session like when it started when last update how much time still left.
set lines 200
col OPNAME for a25
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a.sid,
a.serial#,
b.status,
a.opname,
to_char(a.START_TIME,' dd-Mon-YYYY HH24:mi:ss') START_TIME,
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Syed Kaleemuddin.
Oracle Apps DBA
Mobile: +91 9966270072
Email: [email protected]

How to find the sum based on two variables

Hello!
I have just started using Numbers, I have a spreadsheet which lists a number of transactions.
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Message was edited by: pw1840

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Thanks in advance!

Maybe
using http://www.paginainizio.com/service/strutturacodicefiscale.htm but NOT TESTED (just something to play with)
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nome    varchar2(50) := 'SUONOME';                       /* first name */
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nascita date         := to_date('19331122','yyyymmdd'); /* date of birth */
sesso   varchar2(1) := 'M';                             /* gender */
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somma   pls_integer := 0;
posiz   pls_integer;
begin
for i in 1 .. 15
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end loop;
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dbms_output.put_line(codice);
end;Regards
Etbin
Edited by: Etbin on 24.12.2011 7:38
row changed to if mod(i,2) = 0 then

How to get the sum in BSEG table using select statement

hai all
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SELECT BELNR GJAHR SHKZG DMBTR
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Hello,
In 'Numbers" - How do get columns to add (calculate) the sum in each decending column on an Expense Report.
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If you want the sum at the bottom of the column:
Add a Footer row to the table. (Go Table (menu) > Footer Rows > 1).
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oh.. ok ..thanks for letting me know.. i will formulate the question in a proper way:
This is what my UI should look like:
Rating Count Percent
Excellent 2 20
Good 6 60
Poor 1 10
Bad 1 10
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SELECT hrl.meaning rating,
sum(decode(bcpi.feedback_rating, null, 0, 1)) counted
from cmp_cwb_person_info bcpi ,
hr_lookups hrl
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Good 6
Poor 1
Bad 1
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Good Morning..
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How to compute the sum of words(or bytes) in tables?

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