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Installing Oracle Linux 7 for Oracle software deployments

This demo shows installation process of Oracle Linux 7 in virtual machine (VirtualBox) and basic OS configuration for further Oracle software deployments e.g., Oracle Databases, WebLogic Servers. 1. Download Oracle Linux ISO image from Oracle Software Delivery Cloud

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Oracle SOA Suite 11g: a workaround for long running SQL queries

Oracle SOA Suite 11g (11.1.1.7) environment is connected to a database which is its dehydration store database, used to store process status data, especially for asynchronous BPEL processes. Production environments tend to produce millions of records in tables of that database. This, when not well maintained, can become a true performance bottleneck in the database and SOA Suite engine itself. Some […]

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Fix for ORA-03113: end-of-file on communication channel

Oracle Database Server 12c Here is how to fix ORA-03113: end-of-file on communication channel Cause: I issued shutdown immediate command in a running database instance. The database was busy and it took ages to shut it down. I was impatient and I did kill a virtual machine server. After virtual machine restart, the database did not start any more, throwing ORA-03113 […]

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Oracle Database 12c In-Memory How To Get Started

Oracle Database In-Memory feature has been released by Oracle in recent patch set 12.1.0.2. Here is how to upgrade Oracle database to version 12.1.0.2: Upgrade Oracle Database 12c with ASM 12.1.0.1 to 12.1.0.2 With the introduction of Oracle Database In-Memory, a single database can now efficiently support mixed workloads, delivering optimal performance for transactions while simultaneously supporting real-time analytics […]

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Upgrade Oracle Database 12c with ASM 12.1.0.1 to 12.1.0.2

In previous tutorial of this topic, we covered installation of Oracle Database 12c R1 on Linux 6 with ASM version 12.1.0.1.0. Now it’s the time to upgrade our database to version  12.1.0.2.0 which introduces long awaited “In-Memory Aggregation” and “In-Memory Column store” features. There is obviously much more – full description of Oracle Database 12c R1 (12.1.0.2) New […]

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Installing Oracle SOA Suite 12c (12.1.3.0)

Installing Oracle SOA Suite and BAM 12c with Oracle Database 12c and Oracle Linux 6. In this article we will go through Oracle SOA Suite 12c and Oracle BAM 12c installation  on Oracle Linux. We assume that Oracle Database 12c and Oracle Linux has been already installed. Infra design: Prerequisites: Running Oracle Database 12c with opened pluggable database PDB01 Running […]

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How to easy check Oracle WebLogic Server version

There are several ways to determine Oracle WebLogic Server version. Here’s how we can check most of the general information in WebLogic Server Admin Console. Login to WebLogic Administration Console and navigate to Servers –> AdminServer –> Monitoring tab. We see the following information: State Activation Time WebLogic Version WebLogic Home Middleware Home Java Vendor Java Version OS Name OS […]

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Recover Decrypt WebLogic Server Admin Password

One of the most important WebLogic Server files in terms of security is SerializedSystemIni.dat which contains encrypted security data and is located in $DOMAIN_HOME/security directory. Other file is boot.properties file located in $DOMAIN_HOME/servers/AdminServer/security directory which contains an encrypted version of weblogic admin username and password.  Below tutorial shows how to decrypt, recover username or password, having access to SerializedSystemIni.dat and boot.properties files. But not only, […]

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Resolve Middleware problems faster with Remote Diagnostic Agent

Resolve Middleware Problems Faster! Use Remote Diagnostic Agent (RDA) Source: support.oracle.com (Doc ID 1498376.1) Comprehensive Data Collection Remote Diagnostic Agent is a command-line tool which collects configuration and diagnostic data related to: Operating System and Environment Memory, CPU and Disk data OS Patches and Packages Environment Settings Network configuration and statistics Targeted Oracle Product(s) Install Version and Patch information All […]

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Installing Oracle Application Express in Oracle Database 12c

Oracle Application Express (Oracle APEX) is Oracle’s primary tool for developing Web applications with SQL and PL/SQL. Using only a web browser, you can develop and deploy professional Web-based applications for desktops and mobile devices. It is a fully supported, no cost option of the Oracle Database, and is installed by default in all editions […]

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