Blog | Pythian | Oracle (14)

Oracle

Automating Oracle RMAN backup configuration on Linux with Ansible

Having valid backup of the databases is one of the most important tasks for every DBAs. Having proper RMAN backup ...

Oracle

Orphaned disks in OVM and what to do with them

Some time ago I was doing a maintenance on an OVM and noticed that it had significant number of disks without mapping ...

Oracle E-Business Suite

Oracle E-Business Suite and Java Web Start. Finally!

Great things always happen overnight. That's probably the case for European Oracle Apps DBAs in the same situation, ...

Oracle

Oracle GoldenGate microservices architecture - first try.

Three or four months ago Oracle released a new 12.3 version of the Oracle GoldenGate (OGG) software. The release did ...

Oracle

Sending email from Oracle with utl_smtp via Amazon Simple Email Service (SES)

Note: This article was updated following Symantec Trust issues earlier in 2018.

Oracle

How to move or clone a Microsoft Azure virtual machine?

Introduction Have you ever tried to change the definitions of your Microsoft Azure Virtual Machine? Tasks like changing ...

Oracle

Oracle database upgrade on RDS AWS and SPM baselines

Introduction A couple of days ago I saw a question posted online asking about how AWS upgrades an RDS Oracle database ...

Oracle

Oracle 12.2 ASM filter driver installation

Recently I needed to install Oracle 12.2 with the ASM Filter Driver for some research on an upcoming presentation. With ...

Oracle

Oracle Scheduler fail to send email notifications

Introduction In this blog post I would like to share an interesting issue we encountered couple of months ago related ...

Oracle

Oracle service secrets: more performance with less load-balancing

A huge but often overlooked aspect of tuning cluster databases is workload management. That means controlling on which ...

Oracle

Upgrade existing TDE to use new unified key management in 12c Upgraded Database (non-cdb)

I'm really excited to be writing this post and I'm hoping it serves as helpful content. When reviewing the new ...

Oracle

Simple steps to perform opatch maintenance with Ansible

Like the Universe, IT growth seems to be infinite, we always have more environments, more servers, more users, more ...

Oracle

Using Oracle Wallets and SEPS with Perl, JDBC, and ODBC

A few years ago I wrote a couple of popular blog articles on using Secure External Password Stores (SEPS) and ...

Oracle

Oracle’s Database Security Assessment Tool (DBSAT) Version 2 (2.0.1)

Background Oracle recently released a new version of their Database Security Assessment Tool (DBSAT) - version 2.0.1. ...

Oracle

Standardizing the Oracle GoldenGate Home Path (OGG_HOME)

Introduction I don't work with Oracle GoldenGate extensively but when I do I find it somewhat remarkable that there ...

Oracle

gh-ost with Amazon RDS / Aurora

Doing online schema changes in a managed database environment is not as straight-forward as one may think. Using gh-ost ...

Oracle

Automating password rotation for Oracle databases

Password rotation is not the most exciting task in the world, and that's exactly why it's a perfect candidate for ...

Oracle

Idempotent and Nullipotent in Cloud

It’s funny how the more things change in tech, the more we end up reaching for those dusty university textbooks. ...

Oracle

Locating most current record using ROW_NUMBER() vs. Index Full Scan (Min/Max)

Very often when reading data, we need to locate the most current record for a set of conditions. One typical example is ...

Oracle

Improve Oracle performance with ASM filter driver

Context Sometimes the results found in performance testing can be a bit of a surprise. I have recently been preparing ...

Oracle

Automation, PowerShell and Word Templates - let the technician do tech

In my work as a Database Consultant, I enjoy technical challenges, but it's always a painful process when I need to ...

Oracle

Cleaning up PID files when Oracle GRID/RAC upgrades and patches fail

Introduction: Unfortunately is it not all that unusual for a patch or upgrade to Oracle Grid or RAC to fail, requiring ...

Oracle

Cloning Oracle grid infrastructure using Ansible

Sometimes your organization may decide to move to new hardware, to a new data center, and you, as an Oracle DBA, would ...

Oracle

Log rotation for Oracle database

Most of you may already know how to configure the log rotation for your database alert log or the listener log etc,. As ...

Oracle

What you should know about Docker Containers for Oracle Data Integrator

Not long ago, Oracle adopted the Docker engine as one of the accepted platforms for its products and published a set of ...

Oracle

How Linux Hugepages work to improve Oracle performance

This post is not intended to be an in-depth discussion of how Linux Hugepages work, but rather just a cursory ...

Oracle

A look at current "Infrastructure as Code" Trends

Unless you have been hiding under a rock, you have probably heard the term “Infrastructure as a Code” thrown around. ...

Oracle

Bushy join trees in Oracle 12.2

Context There are multiple optimizer features introduced in the Oracle Database 12.2 Release. Bushy Join Trees is the ...

Oracle

How to fix an AWR Warehouse after credentials change

We had an AWR Warehouse (AWRW) installation (OEM 12.1.0.5 on Linux) collecting data from +50 databases for a few ...

Oracle

The importance of Oracle database related kernel parameters (aio-max-nr) (with bonus track)

We tend to configure a server following Oracle best practices for the kernel parameters, but what once was a server of ...

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Automating Oracle RMAN backup configuration on Linux with Ansible

Orphaned disks in OVM and what to do with them

Oracle E-Business Suite and Java Web Start. Finally!

Oracle GoldenGate microservices architecture - first try.

Sending email from Oracle with utl_smtp via Amazon Simple Email Service (SES)

How to move or clone a Microsoft Azure virtual machine?

Oracle database upgrade on RDS AWS and SPM baselines

Oracle 12.2 ASM filter driver installation

Oracle Scheduler fail to send email notifications

Oracle service secrets: more performance with less load-balancing

Upgrade existing TDE to use new unified key management in 12c Upgraded Database (non-cdb)

Simple steps to perform opatch maintenance with Ansible

Using Oracle Wallets and SEPS with Perl, JDBC, and ODBC

Oracle’s Database Security Assessment Tool (DBSAT) Version 2 (2.0.1)

Standardizing the Oracle GoldenGate Home Path (OGG_HOME)

gh-ost with Amazon RDS / Aurora

Automating password rotation for Oracle databases

Idempotent and Nullipotent in Cloud

Locating most current record using ROW_NUMBER() vs. Index Full Scan (Min/Max)

Improve Oracle performance with ASM filter driver

Automation, PowerShell and Word Templates - let the technician do tech

Cleaning up PID files when Oracle GRID/RAC upgrades and patches fail

Cloning Oracle grid infrastructure using Ansible

Log rotation for Oracle database

What you should know about Docker Containers for Oracle Data Integrator

How Linux Hugepages work to improve Oracle performance

A look at current "Infrastructure as Code" Trends

Bushy join trees in Oracle 12.2

How to fix an AWR Warehouse after credentials change

The importance of Oracle database related kernel parameters (aio-max-nr) (with bonus track)

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