Where are these tables??

<FONT face="Default Sans Serif, Verdana, Arial, Helvetica, sans-serif" size=2><DIV>&nbsp;</DIV><DIV><DIV>While trying to find the physical disk space size each table in our database (by matching the file name in the base directory to&nbsp;an entry in&nbsp;pg_class),&nbsp; we found 4 files that constitute 5gigs that we cannot match back to a entry in pg_class.</DIV><DIV>Is it safe to delete these?&nbsp; </DIV><DIV>&nbsp;</DIV><DIV>TIA<br>Patrick&nbsp;Hatcher<br></DIV></DIV></FONT>
>From pgsql-general-owner(at)postgresql(dot)org Fri Mar 26 10:43:49 2004
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From: chanc(at)thailand(dot)net (chanc)
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Subject: Does ora2pg work with Oracle9i?
Date: 19 Mar 2004 02:58:55 -0800
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I got this kind of error message when trying to copy out from
Oracle9i.
[Red Hat 8.0, Oracle9i Release 2, DBI-1.42, DBD-Oracle-1.15,
DBD-Pg-1.32, ora2pg-2.1]

DBD::Oracle::db prepare failed: ORA-00942: table or view does not
exist (DBD ERROR: error possibly near <*> indicator at char 46 in
'SELECT COUNTRY_ID,COUNTRY_NAME,REGION_ID FROM <*>COUNTRIES') [for
Statement "SELECT COUNTRY_ID,COUNTRY_NAME,REGION_ID FROM COUNTRIES"]
at Ora2Pg.pm line 1321.
Can't call method "errstr" on an undefined value at Ora2Pg.pm line
1321.

Does anyone successfully use ora2pg to copy data from Oracle9i?

Regards,
Chanc