Solution for ORA-00904: DBMS_FLASHBACK: invalid identifier in Oracle In this article, we will demonstrate a solution for ORA-00904: DBMS_FLASHBACK: invalid identifier in Oracle. This error reflects whenever the user tries to get access current system change number (SCN) without appropriate access. To eliminate this error ORA-00904, we will grant EXECUTE on package DBMS_FLASHBACK or SELECT access
Step by Step Oracle 12cR2 Binary Installation and Database Creation On Linux In this article, we are going to demonstrate Step by Step Oracle 12cR2 (12.2.0.1) enterprise edition binary Installation and database Creation On Linux 7.9 (OEL) using GUI mode. We will complete this article in three parts. 1. Prechecks / Prerequisite 2. Oracle 12cR2 binary
Add & Drop Standby Redolog Files on Standby (Dataguard) in Oracle In this article, we are going to demonstrate add & drop standby redolog files on standby (dataguard) in Oracle. Drop or add standby redolog files require in case we resized/recreate redolog in PRIMARY so need to follow same on STANDBY database or some times
Oracle Database 19c RPM Installation On Oracle Linux 7 Oracle Database 19c can now be installed on Linux OS using an RPM.This post describes the steps for RPM based installation of Oracle Database 19c 64-bit on OEL 7 64-bit. Step 1. Prerequisite for Installation: Two most important things for rpm based installation is (1) You
Steps to Create Active Physical Standby Dataguard Using RMAN Duplicate in Oracle In the previous article, we have configured a Physical STANDBYdatabase where we started MRP in mount state. In this article, we are going to demonstrate Steps to Create Active Physical Standby Dataguard Using RMAN Active Duplicate in Oracle database. Active dataguard features introduced
Multiplexing of Control Files Using RMAN, SPFILE & PFILE in Oracle Here we are going to demonstrate multiplexing of Control Files in Oracle using available options SPFILE, PFILE & RMAN. Before moving ahead first we will have a basic understanding of Control Files in Oracle. Control File is a physical file on OS level and
Step by Step Physical Standby Database Creation in Oracle Data Guard is used for disaster recovery and high availability. Due to any disaster, if our PRIMARY database got crash so, in that case, our STANDBY may become our PRIMARY database. Here, our client requirement, we need to create a STANDBY database using RMAN backup. Below
Step by Step Oracle Database Upgrade from 11g (11.2.0.4) to 12c (12.2.0.1) using DBUA Here we are going to demonstrate step-by-step Oracle database upgrades from 11g (11.2.0.4) to 12c (12.2.0.1), same steps can be followed to upgrade to 12.1.0.2 as well. List of target upgrade versions from supported source version, data source support.oracle.com. Target DB
Identity key store file not found weblogic.nodemanager.common.ConfigException In this post, we are going to demonstrate how to fix the issue of Identity key store file not found weblogic.nodemanager.common.ConfigException. When we tried to start node manager, we encounter the below error. The cause of this issue is because the DemoIdentity.jks is not generated at the time
How to perform Oracle Database health-check In this blog, we’ll be learning about how we can perform Oracle Database health-check. Many times we have seen that we got the request from Application user that their application is slow and they’re asking us to perform health checks on the specified database. We generally perform health checks
