Houston – we have deleted all SYS DBMS_SCHEDULER Jobs !

Bad, bad PL/SQL…. A customer of me has executed a simple script to cleanup DBMS_SCHEDULER jobs and programs for an application. Unfortunately he did as user SYS. The content of the SQL script: BEGIN FOR JOB IN (SELECT * FROM USER_SCHEDULER_JOBS) LOOP DBMS_SCHEDULER.DROP_JOB(JOB_NAME => JOB.JOB_NAME, FORCE => TRUE); END LOOP; FOR PROG in (select * from USER_SCHEDULER_PROGRAMS) LOOP DBMS_SCHEDULER.DROP_PROGRAM(PROGRAM_NAME => PROG.PROGRAM_NAME, FORCE => TRUE); END LOOP; END; / All the Oracle internal maintenance jobs and programs like the AUTO_SPACE_ADVISOR_PROG, GATHER_STATS_PROG,…

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Oracle Enterprise Manager 13c – Tail your Logfiles

This are my favorite aliases for Enterprise Manager 13c troubleshooting. Just replace $ORACLE_BASE with your own installation directory and add these aliases in your .profile/.bash_profile. Here is the URL to the Oracle documentation: http://docs.oracle.com/cd/E63000_01/EMADM/logging.htm#EMADM11796 – and feel free to create your own aliases e.g. for the *.OUT logfiles. Oracle Management Server alias taem=’tail -f -n 50 $ORACLE_BASE/product/gc_inst/em/EMGC_OMS1/sysman/log/emctl.log’ alias taeo=’tail -f -n 50 $ORACLE_BASE/product/gc_inst/em/EMGC_OMS1/sysman/log/emoms.log’ NodeManager alias tanm=’tail -f -n 50 $ORACLE_BASE/product/gc_inst/user_projects/domains/GCDomain/nodemanager/nodemanager.log’ Weblogic AdminServer alias taad=’tail -f -n 50 $ORACLE_BASE/product/gc_inst/user_projects/domains/GCDomain/servers/EMGC_ADMINSERVER/logs/EMGC_ADMINSERVER.log’ alias tagc=’tail…

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Oracle Enterprise Manager 13c – KILL SESSION for Application Administrators – Part 1

Basically to execute a ALTER SYSTEM KILL SESSION command you have to be a) a DBA or b) you need the ALTER SYSTEM privilege. Granting the ALTER SYSTEM privilege to a Non-DBA has big risks. This user is now able to change a lot of parameters like memory parameters, NLS settings etc. In one of my projects, a small team of well known application administrators is having a read-only account in Enterprise Manager 12c to verify the performance, see the user sessions…

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