Apr 14 2020
Oracle RAC (Real Application Cluster) is used for complex application to increase database performance, high availability and scalability. Below high level steps will perform to configure / install Oracle RAC: Configure 2 Virtual Machine (VM) for 2 Nodes RAC Install Oracle Linux 5.7 Install GI (Grid Infrastructure) Configure ASM Install Oracle Database Binary Create Database …
Apr 08 2020
The following issues DBAs may face in oracle databases but we can overcome these issues by using Resource Manager: Excessive overhead: Excessive overhead results from operating system context switching between Oracle Database server processes when the number of server processes is high. Inefficient scheduling: The operating system deschedules database servers while they hold latches, which …
Apr 05 2020
Temporal Validity enables you to track time periods for real world validity. Valid times can be set by users and applications for data, and data can be selected by a specified valid time, or a valid time range. Concepts that are integral to valid time temporal modeling include: Valid time: This is a user-defined representation …
Apr 03 2020
The Data Pump feature had been introduced from Oracle 10g. Until Oracle 9i, There were a tradition export and import (exp, imp) tools for logical backup. Nowadays Data Pump (expdp & impdp) utilities are mostly use by oracle DBA. Data Pump is very useful tools to migrate database in difference version of Oracle databases or …
Apr 02 2020
Nowadays Data is growing very rapidly at enterprises – various industry estimates indicate that data volume is doubling every 2-3 years. The rapid growing data is going to be challenged for IT, both in cost and performance. Although the cost of storage keeps declining, fast-growing data volumes make storage one ofthe costliest elements of most …
Mar 25 2020
This topic describes how to configure the network environment on Multitenant Database. Create a Service. Create a Listener. Create a Service: List of Services: Create a Service for PDB: DBMS_SERVICE package will use for creating a new service. For GI env, you may use srvctl to create and manger a service. When execute DBMS_SERVICE.CREATE_SERVICE procedure, …
Mar 21 2020
In this topic I will show how to add an agent using Pull method in Silent Mode. Agent Installation processes are same for 12c and 13c. OMS Server : ocmoem Target Server : ocm12c Login on OMS server using sysman and Synchronized: Get Platform Supported List: Download Agent Software from OMS: Move Agent Software to …
Mar 15 2020
Oracle RAC (Real Application Cluster) is used for complex application to increase database performance, high availability and scalability. Below high level steps will perform to configure / install Oracle RAC: Configure 2 Virtual Machine (VM) for 2 Nodes RAC Install Oracle Linux 6.5 Install GI (Grid Infrastructure) Configure ASM Install Oracle Database Binary Create Database …
Mar 07 2020
This topic describes how to create and manage a user in Multitenant database. There are two types of users in Multitenant Database: Common User: User exists in all containers (root container and all PDBS). Local User: User exists on particular PDB only. Similarly, Two types of role are available in Multitenant Database: Common Role: Role …
Mar 06 2020
Change the PDB State. Unplug the PDB. Set default tablespace. Set default temporary tablespace. Enable (disable) logging. Change status of datafile (online/offline).
