To find all disk io ( EMC as well as local)
iostat -pnxze 5
iostat -pnxze 5
Re : Can’t create a new connection for jdbc ORA-01034: ORACLE not available ORA-27121 There is a problem with permissions do this: cd $ORACLE_HOME/bin chmod a+s oracle
First statement before you start processing?? SET TRANSACTION USE ROLLBACK SEGMENT BIG_RBS1; OR dbms_transaction.use_rollback_segment(‘BIG_RBS1’);
column last_number format 9999999999999999 select * from user_sequences where sequence_name in (‘UOC_ORDER_SEQ_ID’); select 2400000000 – CurrVAl – 20 LAST_NUMBER from dual; alter sequence UOC_ORDER_SEQ_ID increment by NOCACHE; Increment Once. select UOC_ORDER_SEQ_ID.nextval from dual; Confirm Value comes to 2300000000. After that alter sequence UOC_ORDER_SEQ_ID increment by 1 NOCACHE; alter sequence UOC_ORDER_SEQ_ID maxvalue 2499999999 NOCACHE;
Subject: Upgrading from 8.1.X to 9.X – Btree Bitmap Plan Issues – Diagnosing and Resolving Doc ID: Note:259126.1 Type: TROUBLESHOOTING Last Revision Date: 13-MAR-2006 Status: PUBLISHED PURPOSE The Oracle Cost Based Optimizer is continually been enhanced. These enhancements were designed to improve performance but in some cases can cause a minority of queries to perform…
Read More “_B_TREE_BITMAP_PLANS issue during 8.1.7 to 9.2.0.8 upgrade” »
TNS-00512 starting second listener in same node Hi all, I have a 8.1.7.4 listener running OK with a 9.2.0.1 listener in the same Solaris box, I get TNS-00512 starting second listener from 9.2.0.1 ORACLE_HOME. I have changed the ports number, but the problem still persist !!! Here are the listener.ora file: Listener.ora (8.1.7.4) LISTENER =…
RAC Notes Note:241114.1 Step-By-Step Installation of RAC on Linux – Single Node (Oracle9i 9.2.0 with OCFS) Linux OCFS – Best Practices Step-by-Step Installation of RAC on Linux @ Setting up Real Application Cluster (RAC) environment on Linux – Single node Setting up Oracle Parallel Server environment on Linux – Single node @ 9iRAC: OS Port-Specific…
select object_id from dba_objects where object_name = ‘MYTABLE’; select sid, id1, id2 from v$lock where id1= &objid or id2 = &objid;
Note Instance name : represented by $ORACLE_SID database name : represented by DB_NAME init.ora parameter. You can change instance name to any name with following requirements: Here we are chaning instance name from AWRTEST1 to PARESH. Exising setup: ORACLE_SID=AWRTEST1 Step1: $ export ORACLE_SID=PARESH; Step2: Create password file for new instance PARESH. $ cd $ORACLE_HOME/dbs $…
First, the query for Max: SELECT * FROM TAB1 a WHERE &N = (SELECT count(DISTINCT(b.col1)) FROM TAB1 b WHERE a.col1=b.col1) If N=1 will return first max or first min. N=2 will return second max or min.
