Table Metadata Definition : set pagesize 0 set long 90000 select dbms_metadata.get_ddl(‘TABLE’,’&TABLE_NAME’,’&OWNER’) FROM DUAL; Procedure Metadata Definition : set pagesize 0 set long 90000 select dbms_metadata.get_ddl(‘PROCEDURE’,’&PROCEDURE_NAME’,’&OWNER’) FROM DUAL; Tablespace Metadata Definition : set pagesize 0 set long 90000 select dbms_metadata.get_ddl(‘TABLESPACE’,’&TABLESPACE_NAME’) FROM DUAL; Index Metadata Definition… Read More
Step 1 : Create Temporary Table : CREATE TABLE unpar_table ( a NUMBER, y number, name VARCHAR2(100), date_used date); Step 2 : load table with 1,000,000 rows begin for i in 1 .. 1000 loop for j in 1 .. 1000 loop insert into unpar_table values… Read More
AWR Difference Report for NON RAC: @?/rdbms/admin/awrddrpt.sql AWR Difference Report for RAC : @?/rdbms/admin/awrddrpi.sql AWR Report for Non RAC : @?/rdbms/admin/awrrpt AWR Report for RAC : @?/rdbms/admin/awrrpti Global AWR RAC Report : @?/rdbms/admin/awrgrpt.sql ASH Report : @?/rdbms/admin/ashrpt.sql GLOBAL AWR RAC Differenct Report : @?/rdbms/admin/awrgdrpt.sql AWR… Read More
Instance Information : set linesize 300 select name||’ – ‘||instance_name||’@’||host_name||’ – ‘||DB_UNIQUE_NAME||’ – ‘||version||’ – ‘||open_mode||’ – ‘||to_char(startup_time,’DD-MON-YYYY HH24:MI:SS’) || ‘ – ‘|| database_role from v$database, v$instance; FRA Usage : set linesize 300 col file_type for a40 select * from V$FLASH_RECOVERY_AREA_USAGE; Check Restore Point :… Read More
1. EXPLAIN PLAN FOR SELECT <STATEMENT> set linesize 300SELECT * FROM TABLE(dbms_xplan.display); 2. FROM MEMORY – Get the execution plan which is generated by CBO Use DBMS_XPLAN package:select * from table (dbms_xplan.display_cursor (‘&sqlid’) ) ; For the above, you need to have SQL ID. To… Read More
cat g_stats_1_test.sh sqlplus / as sysdba <<EOF set head off conn / as sysdba set serveroutput on set timing on set echo on spool dict_stats_test.log exec DBMS_STATS.gather_table_stats (ownname => ‘SCOTT’,tabname => ‘EMP’,method_opt=>’FOR COLUMNS SIZE AUTO STATUS’); spool off set timing off set serveroutput off exit;… Read More
set linesize 200 set pagesize 500 spool /tmp/Oct29.html set markup html on set numwidth 40 select * from emp; set long 100000 select sql_id,sql_text from DBA_HIST_SQLTEXT where sql_id in (select sql_id from v$session); spool off
Ask DB details and query details before start working on it. When did this query last took 2 hours?What is the change in volume of data?How many times this query runs each day?Start and end time of this query execution for past 1 month.Any DDL changes… Read More
for i in srvctl config; do echo $i; srvctl status database -d $i; done; for i in srvctl config; do echo $i; srvctl status service -d $i; done;
for ORA_SID in $(cat /var/opt/oracle/oratab |grep -vi asm |grep -v ‘#’|grep -vi agent |grep -vi orcl7 |awk -F”:” ‘{ print $1}’) do ORACLE_SID=$ORA_SID export ORACLE_SID sqlplus -s “/ as sysdba” <<! startup; exit; ! done
