As Uncle Ben would say, "Remember, with great power, comes great responsibility." With the release of Oracle REST Data Services (ORDS) version 19.4.6, many of us were eager to deploy a customer-managed ORDS solution in order to support vanity URLs with Oracle Application Express (APEX), myself included. It has worked well for me until a few days ago, I noticed that my Oracle JET charts weren't loading any more.
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Running ORDS Against the Autonomous Database - Part 2
In my previous post, we looked at installing and configuring Oracle REST Data Services (ORDS) and have it work with Oracle Application Express (APEX) that comes preinstalled with every Oracle Autonomous Database (ADB). Like APEX, ORDS is also included as a feature of the ADB. However, there are certain situations where you might like to manage your own instance of ORDS.
Running ORDS Against the Autonomous Database
The Oracle Autonomous Database (ADB) is Oracle's current flagship database product and rightly so! Each instance comes with self-tuning, self-patching and several Oracle Database Options that customer would otherwise have to purchase separate licenses for. Database developers will also be pleased to know that there are a suite of tools at your disposal including Oracle Application Express (APEX), Oracle REST Data Services (ORDS) and Oracle Machine Learning Notebooks.
The minimum instance you can create will have 1 CPU and 1 TB of storage and with so much features, doesn't come cheap. Here's the good news though, Oracle provides everyone two Always Free ADBs through the Oracle Cloud Free Tier offering. Yes, that's a great deal for anyone wanting to host a simple web application on the Internet. It is however, not without limits.
Watch Your Weight
A reader left an interesting comment/question in my previous post on Making the Move to the Autonomous Database:
"Would You explain how can i check my on-premise DB to satisfy ADB size limitation 20G? What is the size 20G of?"
This is an excellent question to ask before embarking on any Autonomous Database (ADB) migration plans and so I dug a bit deeper.
Making the Move to the Autonomous Database
In my previous post, I mentioned that I have created my Oracle Cloud Free Tier account and provisioned an Autonomous Database (ADB). Now, I'm ready to move my existing Oracle Application Express (APEX) to this new environment. Next, I'll describe the steps I took to move (1) workspace, (2) application and (3) data, from the old to new database.