Oracle : Oracle Server Architecture

Oracle Server Architecture   An Oracle server includes an Oracle Instance and an Oracle database. Oracle instance:  An Oracle Instance is a combination of two different sets of components. The first component includes the Memory components. That is nothing but SGA (shared global area or system global area)   The second… Read More

Data Masking in Oracle 12c

Dear Readers, In this article, we will see the Data Masking in Oracle 12c. Every organization maintains the sensitive data regarding their operations. like  personal identifiable data, personal sensitive data or commercially sensitive data. organizations are required to protect their sensitive data falling to the wrong… Read More

Oracle : Backup of GI and RDBMS home before patching

Note : Please test below steps in your lower environment before trying in Production   Backup of GI and RDBMS home before patching   As root do it when DB instance/CRS is down  :  

Restore : If any issues and needs to restore… Read More

Oracle : Add ASM Disks to existing Diskgroup (RAC)

   

Oracle : Cloning user in Database

 

Oracle : Setting up glogin.sql

Setting up glogin.sql : cd $ORACLE_HOME/sqlplus/admin cp glogin.sql glogin.sql.bkp vi glogin.sql SET termout off DEFINE myv = ‘Not connected’ COLUMN myc new_value myv select user || ‘@QA@’ || global_name myc from global_name; SET sqlprompt ‘&myv:SQL> ‘ Execution : $ sqlplus scott/PW SQL*Plus: Release 12.1.0.2.0 Production… Read More

Oracle : Setting up Oramenu for Databases

Use this script to setup oramenu:  

  ~$ chmod +x oramenu ~$ sudo su – root ~# cp /home/oracle/oramenu /usr/local/bin/ ~# exit logout ~$ . oramenu Or Example : $ chmod +x oramenu oracle@server123:ORCL1:/home/oracle > $ . oramenu Please select your SID to… Read More