Logical Backup

What is a logical backup? Logical backups are backups in which the export utility (for example Exp) uses SQL to read database data and then export it into a binary file at the operating system level. You can then import the data back into a database using the import utility (Imp).The Oracle Export Utility can […]

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Backup

In the 24/7 working environment, any organization requires database available all time. In business world, there are three type of users (Top Management(C.E.O, Board of Directors etc), Technical user(DBA, Developers etc.)/Non -Technical user(Hr , C.A, Market department etc.), End Users(Customers) )who interact with database any  organization according to their roles and privileges. N number of activity done by them […]

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Scenario 1 – Recover a Member of a Multiplexed Online Redo Log Group

Please follow the below steps. Steps : 1. Shutdown immediate; 2. Physically remove redo log member(no redo log group) by using OS level command. 3. Startup; 4. SELECT GROUP#, STATUS, MEMBER FROM v$LOGFILE WHERE STATUS=’INVALID’; 5. Check alert log file. Steps for Recovery : 1. Drop the damaged member ALTER DATABASE DROP LOGFILE MEMBER ‘D:\app\admin\oradata\orcl\REDO01.LOG’; […]

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Catalog Database Configure

Description:    RDB1 as TARGET SERVER                         RDB2 as CATALOG SERVER  create a database using DBCA on catalog server as catalog database i.e. RDB create a service in target server for the catalog server connection. check service alias using TNSPING servicename(EX:TNSPING RDB2) in terminal […]

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