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Author: Admin

Pending Distributed Transations

Posted on 03-Feb-2010 By Admin No Comments on Pending Distributed Transations

COL LOCAL_TRAN_ID FORMAT A13 COL GLOBAL_TRAN_ID FORMAT A30 COL STATE FORMAT A8 COL MIXED FORMAT A3 COL HOST FORMAT A10 COL COMMIT# FORMAT A10 SELECT LOCAL_TRAN_ID, GLOBAL_TRAN_ID, STATE, MIXED, HOST, COMMIT# FROM DBA_2PC_PENDING /

Oracle, SQL scripts

Good Oracle Architecture In Short and point to point

Posted on 02-Feb-2010 By Admin No Comments on Good Oracle Architecture In Short and point to point

http://www.toadworld.com/KNOWLEDGE/KnowledgeXpertforOracle/tabid/648/TopicID/2471975d4f31c8aa/Default.aspx

Oracle, SQL scripts

Adding a new disk and mount it automatically. on VMWARE LINUX

Posted on 30-Jan-2010 By Admin No Comments on Adding a new disk and mount it automatically. on VMWARE LINUX

Adding a new disk and mount it automatically. Step-1 Add virtual disk to vmware server. ========================================= Step-2 Bounce the box ========================================= Step-3 Make sure the new hard drive should be identified by your linux box. ========================================= As following example, you can see I added /dev/sdc worth of 20GB. [root@oem ~]# fdisk -l Disk /dev/sda: 10.7…

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Linux/Unix, shell

sqlnet.ora paramters

Posted on 30-Jan-2010 By Admin No Comments on sqlnet.ora paramters

-Default order of NAMES. DIRECTORY_PATH is TNSNAMES, OID, HOSTNAME in sqlnet.ora. -EZCONNECT is available after 10g onwards. -Make sure Names.default_domain is set property to avoid any kind of client connectivity issues.

Oracle, SQL scripts

TNSNAMES entries details

Posted on 30-Jan-2010 By Admin No Comments on TNSNAMES entries details

Option: Try each address, in order, until one succeeds ( Failover only). By default failover=true if you have more than one entry in address list. ============================================================================= MEHTA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = NYBOX)(PORT = 1555)) (ADDRESS = (PROTOCOL = TCP)(HOST = FLBOX)(PORT = 1600)) ) (CONNECT_DATA = (SERVICE_NAME =…

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Oracle, SQL scripts

Oracle 11g Training on 29JAN1010

Posted on 29-Jan-2010 By Admin No Comments on Oracle 11g Training on 29JAN1010

-SERVICE_NAMES = INSTANCE_NAME + DB_DOMAIN -GLOBAL DATABASE NAME should be same as SERVICE_NAMES -If system ts is LMT then temporary tablespace is required. -if system ts is lmt then no dmt can be created in db. -When system ts is LMT then undo tbs is also must. -1 tbs can have max 1022 dbfs. -1…

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Oracle, SQL scripts

Very clear article about oracle dataguard

Posted on 29-Jan-2010 By Admin No Comments on Very clear article about oracle dataguard

http://www.dbazine.com/oracle/or-articles/liu4

Oracle, rman-dataguard

oracle fast start failover best practice

Posted on 27-Jan-2010 By Admin No Comments on oracle fast start failover best practice

http://www.oracle.com/technology/deploy/availability/pdf/MAA_WP_10gR2_FastStartFailoverBestPractices.pdf

Oracle, rman-dataguard

Difference between SYNC and AFFIRM

Posted on 27-Jan-2010 By Admin No Comments on Difference between SYNC and AFFIRM

LGWR SYNC AFFIRM in Oracle Data Guard is used for zero data loss. How does one ensure zero data loss? Well, the redo block generated at the primary has to reach the standby across the network (that’s where the SYNC part comes in – i.e. it is a synchronous network call), and then the block…

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Oracle, rman-dataguard

useful dg links

Posted on 27-Jan-2010 By Admin No Comments on useful dg links

http://www.oracle.com/technology/obe/11gr2_db_prod/ha/dataguard/dg_broker/dg_broker.htm http://www.oracle.com/technology/obe/11gr2_db_prod/ha/dataguard/activedg/activedg.htm http://www.oracle.com/technology/obe/11gr2_db_prod/ha/dataguard/physstby/physstdby.htm

Oracle, rman-dataguard

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