some sql scripting hints

generate dynamic filenames

to generate dynamic spool filenames use (name will be set at the select):

col spoolfile new_val spoolfile
select 'log_' ||to_char(sysdate, 'yymmdd_hh24miss' ) spoolfile from dual;

spool &spoolfile

to be continued 😉

generate dumps – overview

Some nice – important dump options 🙂

and still under constuction

find sga ID

in Unix environments with mutiple instances running within the same os-use (e.g. oracle) you cannot see which memory segment is allocated to which instance.

sqlplus  / as sysdba
oradebug setmypid
oradebug ipc
oradebug tracefile_name

the column Shmid shows the dependend memory structures