The following script shows how to check an Oracle SID to be sure that it’s valid. The script expects the SID to be passed in as the first parameter, and it begins by checking to see if a parameter was even passed. The script next counts the number of times the first parameter value appears…
(1) Find all SQL files that contain “dba” pattern in current directory. find . -name “*sql” -print | xargs grep -i “dba” (2) script to kill all Oracle background processes for a database. This is a common Unix script used by Oracle DBAs when a database is locked up, and Server Manager cannot be used…
# Exit if no first parameter $1. if [ -z “$1” ] then echo “Usage: check_parms.ksh (where value is > 100)” exit 99 fi # Exit if no second parameter $2. if [ -z “$2” ] then echo “Usage: check_parms.ksh (where value is > 100)” exit 99 fi # Exit if parm is not greater…
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1998/10 In PL/SQL you can suspend a session using dbms_lock.sleep (seconds) which is equivalent to the ‘sleep’ command in UNIX. The parameter (number data type) can even be specified in hundredth of a second (10, 10.01, 10.5, 0.99 are all legal values). 1998/11 When you TRUNCATE a table, the storage parameter NEXT is automatically reset…
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column name format a60 column created format a25 select name, to_char(creation_time, ‘DD-MON-RRRR:HH24:MI’) created from v$datafile_header order by creation_time /
Find hash value & time when this plan was taken for particular sql id. Filename : fphv.sql REM *** Find Plan Hash value column plan_hash_value format 999999999999 accept v_sqlid prompt ‘Enter SQL_ID : ‘ select distinct sql_id, plan_hash_value, to_char(timestamp, ‘DD-MON-RRRR:HH24:MI:SS’) from dba_hist_sql_plan where sql_id=’&v_sqlid’; Then, Apply sql id and plan_hash_value for a unique plan. REM…
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set lines 120 pages 200 column event format a30 column object_type format a14 column object_name format a30 column owner format a10 column sql_text format a120 spool currwaitobj accept event_name prompt ‘Enter fraction of event to trace : ‘ accept start_time1 prompt ‘Start Time in (DD-MON-RRRR:HH24:MI format) : ‘ accept stop_time1 prompt ‘Stop Time in (DD-MON-RRRR:HH24:MI…
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REM fplan.sql REM Find execution plan from dba_hist_sql_plan for a specific SQL_ID and PLAN_HASH_VALUE. column plan_hash_value format 999999999999 accept v_sqlid prompt ‘Enter SQL_ID : ‘ accept v_plan_hash_value prompt ‘Enter PLAN Hash Value : ‘ SELECT LPAD(‘ ‘,2*(LEVEL-1))||operation||’ ‘||options ||’ ‘||object_name ||’ ‘|| DECODE(id, 0, ‘Cost = ‘||position) “Query Plan” FROM dba_hist_sql_plan START WITH id =…
Filename : fphv.sql REM *** Find Plan Hash value column plan_hash_value format 999999999999 accept v_sqlid prompt ‘Enter SQL_ID : ‘ select distinct sql_id, plan_hash_value, to_char(timestamp, ‘DD-MON-RRRR:HH24:MI:SS’) from dba_hist_sql_plan where sql_id=’&v_sqlid’;
set lines 120 pages 200 select status, count(1) from v$shared_server group by status; select * from v$shared_server_monitor; select dispatcher, count(1) from v$circuit group by dispatcher; select * from v$sgastat where name like ‘%free memory%’;
