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 !

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

Protected: Oracle Database Fast Cloning Options for Databases on Supercluster

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How do Nologging Operations affect Recovery and Data Guard?

What is Redo Information: Each Oracle Database instance has redo logs, which consists of two or more preallocated files that store all changes made to the database as they occur. Every instance of an Oracle Database has an associated redo log to protect the database in case of an instance failure. What is Nologging: NOLOGGING can be used to prevent bulk operations from … Continue reading How do Nologging Operations affect Recovery and Data Guard?