Or set a cron to check periodically the sql area. With something like this:
set serverout on
set termout off
spool $SPOOLNAME
declare
-- exclude statements with v$sqlarea.parsing_schema_id = 0 (SYS)
cursor c1 is select address, sql_text, DISK_READS, EXECUTIONS,
PARSE_CALLS
from v$sqlarea where command_type in (2,3,6,7)
and parsing_schema_id != 0;
cursor c2 is select addr, sql_text from sqltemp;
addr2 varchar(16);
sqltext v$sqlarea.sql_text%type;
dreads v$sqlarea.disk_reads%type;
execs v$sqlarea.executions%type;
pcalls v$sqlarea.parse_calls%type;
begin
open c1;
fetch c1 into addr2,sqltext,dreads,execs,pcalls;
while (c1%found) loop
insert into sqltemp
values(addr2,sqltext,dreads,execs,pcalls);
commit;
fetch c1 into addr2,sqltext,dreads,execs,pcalls;
end loop;
close c1;
open c2;
fetch c2 into addr2, sqltext;
while (c2%found) loop
do_explain(addr2,sqltext);
fetch c2 into addr2, sqltext;
end loop;
close c2;
dbms_output.put_line('Ejecutado sin inconvenientes');
exception when others then
dbms_output.put_line('ERROR: '||sqlerrm(sqlcode));
end;
/
spool off
> -----Mensaje original-----
> De: Vadim Gorbounov [SMTP:[EMAIL PROTECTED]]
> Enviado el: lunes 5 de febrero de 2001 16:31
> Para: Multiple recipients of list ORACLE-L
> Asunto: RE: Index Usage Monitoring
>
> Hi,
> Why not to use otrace? Of cource, you may need some space to save
> trace results, but you'll definitely get complete statistics.
>
> Vadim Gorbounov
> Oracle DBA
>
> -----Original Message-----
> Sent: Tuesday, January 30, 2001 3:57 PM
> To: Multiple recipients of list ORACLE-L
>
>
> We have a purchased application with over 1,300 indexes.
>
> Can someone suggest a method to monitor the system to
> determine which indexes are actively being used over time? I'm assuming
> that some are old/not necessary and would like to save the overhead
> of maintaining them.
>
> Oracle 8.0.6
>
>
> Patrick Prince email: [EMAIL PROTECTED]
> Omaha Public Power District voice: (402) 636-3762
> 444 S 16th St. Mall, Omaha, NE 68102 fax: (402) 636-3931
>
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: PRINCE, PATRICK W.
> INET: [EMAIL PROTECTED]
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Vadim Gorbounov
> INET: [EMAIL PROTECTED]
>
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> San Diego, California -- Public Internet access / Mailing Lists
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INET: [EMAIL PROTECTED]
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