Re: table size.

[mitchell]

Title: RE: table size.

Hi Godlwski   Thanks for your reply.   This is not locally managed tablespace and num_rows are the same. The following result from dba_tables. This big different is empty_blocks.   I still confused why the size is the same but with much more empty_blocks.   I think the empty_block means never used.  If whole block data is deleted, what happed to this column? used but emptied?     Mitchell       1. exported table   TABLE_NAME                     EMPTY_BLOCKS  CHAIN_CNT     BLOCKS  AVG_SPACE ------------------------------ ------------ ---------- ---------- ---------- STATEMENT_LINE                           30                     0                        40401        421     2. imported table TABLE_NAME                     EMPTY_BLOCKS  CHAIN_CNT     BLOCKS  AVG_SPACE ------------------------------ ------------ ---------- ---------- ---------- STATEMENT_LINE                        46099                       0                   35225        421 ----- Original Message ----- From: Godlewski, Melissa To: '[EMAIL PROTECTED]' Sent: Monday, July 08, 2002 12:54 PM Subject: RE: table size. Mitchell, Is this table in a Locally Managed Tablespace?  If so your extents might be the issue.  Check blocks and empty blocks, and num_rows in dba_tables.  (after an analyze of course) -----Original Message----- From: mitchell [mailto:[EMAIL PROTECTED]] Sent: Monday, July 08, 2002 1:28 PM To: Multiple recipients of list ORACLE-L Subject: Re: table size. Sorry :  table is 8 million rows and I deleted 5 million rows. ----- Original Message ----- To: <[EMAIL PROTECTED]> Sent: Monday, July 08, 2002 12:20 PM > > Hi all > > I have a table with 8 millions rows and I deleted the 500 million. Then I > exported tables (300 mb) and imported into another schema. After that, the > table size is still the same. > > I thought table size should be taken much less space. the storage clause for > both table is the same: pct10,pctused 40. > > any idea. > > Mitchell > > > > > -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: mitchell   INET: [EMAIL PROTECTED] Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051 San Diego, California        -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from).  You may also send the HELP command for other information (like subscribing).