Tables spanning across multiple datafiles

Friday Feb 21st 2003 by DatabaseJournal.com Staff
Share:

This script is useful for finding out how rows in a table are spread across different datafiles and how many rows are there in each datafile for that table.



>>Script Language and Platform: Oracle 8+
This script is useful for finding out how rows in a table are spread across different datafiles and how many rows are there in each datafile for that table.

Author: K.Chithra


ACCEPT OWNER CHAR PROMPT "ENTER OWNER NAME : " 
ACCEPT TABNAME CHAR PROMPT "ENTER TABLE NAME : " 
COL count Heading "Rows" 
COL name HEADING "File Name " for a60 
set verify off 

select name ,t.count from 
v$datafile d, 
(select count(*) count ,dbms_rowid.rowid_relative_fno(rowid) file# 
from &&OWNER..&&TABNAME group by dbms_rowid.rowid_relative_fno(rowid)) t 
where t.file#=d.file# 
/ 
undefine OWNER 
undefine TABNAME 

****************
Ouput will be like :
File Name Rows 
------------------------------------------------------------ ---------- 
/ausdb/cre/ORACLE/dbase007/o_sem_01.dbf 15572 
/ausdb/cre/ORACLE/dbase017/p_sem_02.dbf 1572 
/ausdb/cre/ORACLE/dbase019/p_sem_03.dbf 10072


Disclaimer: We hope that the information on these script pages is valuable to you. Your use of the information contained in these pages, however, is at your sole risk. All information on these pages is provided "as -is", without any warranty, whether express or implied, of its accuracy, completeness, or fitness for a particular purpose... Disclaimer Continued


Back to Database Journal Home

Share:
Home
Mobile Site | Full Site
Copyright 2017 © QuinStreet Inc. All Rights Reserved