Tables spanning across multiple datafiles

>>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

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