CLOB

From: Seema Singh <oracledbam_at_hotmail.com>
Date: Tue, 23 Sep 2003 10:34:39 -0800
Message-ID: <F001.005D0D7E.20030923103439@fatcity.com>

Hi,

I have following question?

Basically making a column type as Clob - instead of varchar2(4000) - how much extra overhead (as far as bytes/size) will it add to the table size?

I have a table with 6000 rows, and about 500 of them have 1 column with more that 4000 chars, so they need to go to a clob column. now I just want to know if I make a clob column and put the bigger column into clob for all the 6000 rows, how much disk space would I waste by doing this, or would Oracle use the space efficient enough on the clobs so that I shouldn't worry about size ? Other question is it true that Clobs are generally slower even the data in them are small ?

Thanks,
--Seema

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Author: Seema Singh
  INET: oracledbam_at_hotmail.com

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