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Oracle 26 AI Silent Installation on Linux: Complete Step-by-Step Guide (2026)

If you’re an Oracle DBA, system administrator, or someone preparing for enterprise database deployments, learning Oracle 26 AI Silent Installation on Linux is a must. Silent installation is the preferred method for production environments because it is faster, repeatable, and ideal for automation. In this guide, we will walk through the complete Oracle Database 26 AI silent installation on…

Oracle 26 AI installation on Linux

In this article, we are going to learn Oracle 26 AI Installation on the Linux platform step by step. System Requirements for Oracle 26 AI Installation Supported OS versions (Oracle Linux / RHEL) Minimum 6 GB RAM Disk Space Minimum 100 GB Software Required Oracle Enterprise Linux 8/9/10 – in our case, we are using 10.1 Oracle Database 26 AI – Download from the official website Download…

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How to Apply Oracle 19c Patch 19.30 on Linux – Step-by-Step Guide

Keeping your Oracle Database 19c up to date is critical for security, performance, and stability. In this guide, you’ll learn how to apply the latest Oracle 19c Patch 19.30 on a Linux environment. 📌 Prerequisites Before applying the Oracle 19c Patch 19.30, ensure: Oracle Home path is set correctly. The database is running. Backup of the database and Oracle Home is taken. Latest OPatch…

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oracle rac

oracle .bash_profile ORACLE_SID=rac1; export ORACLE_SID ORACLE_BASE=/u01/app/oracle; export ORACLE_BASE ORACLE_HOME=$ORACLE_BASE/product/12.1.0/db_1; export ORACLE_HOME ORACLE_TERM=xterm; export ORACLE_TERM NLS_DATE_FORMAT="DD-MON-YYYY HH24:MI:SS"; export NLS_DATE_FORMAT TNS_ADMIN=$ORACLE_HOME/network/admin; export TNS_ADMIN PATH=.:${PATH}:$ORACLE_HOME/bin…

Oracle RAC Useful Commands

Oracle RAC useful commands: these commands help DBAs to maintain the Oracle RAC environment. Clusterware (CRSCTL) Commands crsctl check crs – Checks the status of the Oracle Clusterware stack on the local node. crsctl stat res -t – Displays the status of all cluster resources in tabular format. crsctl stat res -p – Shows detailed configuration of cluster resources. crsctl start crs – Starts…

Switchover steps in oracle data guard

In this tutorial, we will learn the switchover steps in Oracle Data Guard, which is called the manual switchover method.

Switchover steps in Oracle RAC Environment

Here are the switchover steps in Oracle RAC environment, which involve transitioning roles between the primary and standby databases. This article assumes both databases are in a Real Application Clusters (RAC) setup and a Data Guard environment already configured. Our Environment: Primary: 2 Node RACStandby: 2 Node RAC Switchover MethodsIn the Oracle Dataguard environment, we have two methods…

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scripts

blwt set lines 400 pages 600 select sid,/*+RULE*/ DECODE(request,0,'HOLDER: ','Waiter: ')||sid sess,inst_id,id1,id2,lmode,request,type from gv$lock where (id1,id2,type) IN (select /*+RULE*/ id1,id2,type from gv$lock where request>0) order by id1, request / ap select * from table(dbms_xplan.display_cursor('&sqlid',&child)) / ev set lines 400 pages 400 select…

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THis is a test product

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Oracle 23c installation on Linux

Here we will learn Oracle 23c installation on Linux step by step. In this article we will also learn how to Create and Configure Oracle Database instead of DBCA. Software Used In this practice, we are using the following software: VirtualBox 7.0 We are using Oracle Linux 8.4 Oracle Database 23c Free System Requirements The system should be configured as per the below…

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Export from 11g and import to 19c

In this article, we are going to learn how to export from 11g and import to 19c. As you know the Oracle DATA PUMP is a very powerful tool and using the Export and Import method we can load the from the lower Oracle database version to the higher Oracle Database version and vice versa. Step 1. Create a backup directory To perform the export/import first we need to create a backup directory at…

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how to Activate Standby Database as Primary after Failover

When it comes to database management, the ability to failover to a standby database is an essential feature for high availability and disaster recovery. In the event of a failure in the primary database, the standby database can take over as the new primary database. (Activate Standby Database as Primary after Failover) However, once the issue with the primary database has been resolved, it’s…

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Manual Reinstate old Primary Using Flashback

In this article, we will learn how to reinstate old primary using flashback (Oracle Data Guard). This is a lengthy task of rebuilding the corrupt or lost primary database, but with flashback technology, it is a very easy task now. Steps to Reinstate old Primary Using Flashback in Oracle DataGuard NoteIn Dataguard after reinstating the old Primary Database it will become a standby, once…

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How to reinstate the old Primary as a Standby after Failover in Oracle

In this practice, we reinstate the old primary as a standby after failover in oracle. Currently, my primary database name “digital” is still active. NoteBefore performing the activity, you should enable the FLASHBACK and then complete the training. My Environment: For this practice below are my environment details: Primary Database: The primary database name is DIGITAL. Standby…

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Oracle Dataguard Switchover with broker

To perform an Oracle Data Guard switchover with broker, you can follow these general steps: Prepare for the switchover Before starting the switchover process, make sure that both the primary and standby databases are synchronized and that all required logs have been applied to the standby database. Also, ensure that the broker is configured and running on both the primary and standby…

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How to setup Data Guard Broker Configuration

Setting up Data Guard Broker Configuration involves the following steps. Before DG Broker setup you must have a Data Guard setup Read How to switchover in Data Guard Step 1. Current status of Broker Check the current status of DG Broker on both sides: Primary Side: SQL> show parameter DG_BROKER_START NAME TYPE VALUE ------------------------------------ ----------- --------- dg_broker_start…

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Oracle 19c Dataguard setup with PDB

Oracle 19c Dataguard setup with PDB, Dataguard is a disaster recovery solution that provides a high level of data protection and availability.

Oracle 19c Dataguard setup with PDB, Dataguard is a disaster recovery solution that provides a high level of data protection and availability for Oracle databases. It provides real-time data protection, and automatic failover protection, and enables the creation of one or more standby databases for a primary database. Dataguard with PDB (Pluggable Database), a PDB in a CDB (Container Database)…

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