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

How to Enable Archivelog Mode for an Oracle database

This is a quick post about the steps required to enable the ARCHIVELOG mode for an oracle database (Single Instance or RAC) To check if the archive log mode is enabled or not, use the following command: SYS@XPS 01-SEP-18 SQL> archive log list Database log mode               No Archive Mode … Continue reading How to Enable Archivelog Mode for an Oracle database