Oracle Virtual Machines for Sale !

Are you looking for a virtual machine to do some hands-on labs or practice something (i.e. for Educational purposes}? Do you have the time to build these virtual machines yourself? Below are some really nice Virtual Machines, that I invested allot of time to build on Oracle Virtual Box, and that I used them personally … Continue reading Oracle Virtual Machines for Sale !

Removing Oracle Database Software 12.2 (Grid + Database)

I have an Oracle Restart virtual machine that has both Oracle grid Infrastructure 12cR2 (12.2) and Oracle Database 12c R2 (12.2) + one CDB database called "orcl". I need to fully remove all oracle components from this machine. About the Deinstallation Tool Starting with Oracle Database 12c, the deinstallation tool is integrated with the database … Continue reading Removing Oracle Database Software 12.2 (Grid + Database)

What is the difference between Oracle RAC One Node and Oracle RAC?

https://www.youtube.com/watch?v=ZM6ckWFlyeM ThanksAhmed

Protected: Oracle RAC 12c Installation on Linux

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Oracle Database Password file presentation

https://youtu.be/sHUMO-uVYqU ThanksAhmed

Protected: Oracle Database Guard 12c Implementation with RAC (Step-by-Step)

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Oracle Database Services in (Oracle RAC + Oracle Data Guard) Environment

Introduction: We may classify the database services into two types of services : 1- Database Services 2- Cluster Managed Database Services Please note that: - The procedure dbms_service.start_service - used with the first type - is deprecated in databases managed by Oracle Clusterware and Oracle Restart with Release 11.2. While the procedure remains available in … Continue reading Oracle Database Services in (Oracle RAC + Oracle Data Guard) Environment

Oracle Database 12c Password File

Introduction: I (and we) used to see the oracle database password file under $ORACLE_HOME/dbs for both single instance and RAC databases. Example for RAC database: On node1 /u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwPROD1 On node2 /u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwPROD2 If one password file was changed in one node, then you have to copy it to all other nodes in the cluster. What is … Continue reading Oracle Database 12c Password File