How To Install Oracle Database 21c Express Edition

[Armanda Kicks]

Viewed50K+ times! This question is You Asked We are unable to install 18c Expression Edition in Windows 10 it is extracting and in middle, it is start rollback. Finally below the below message.

Below is the message.

The wizard was interrupted before Oracle Database 18c Express Edition could be completely installed.

your system has not been modified. To complete installation at another time, please run setup again.

Click Finish to exit the wizard.

and Connor said...Depending on how far the installation got, there may be a folder called "cfgtoollogs" under the *target* installation area. If its present, take a look in there for logging information.

But typically an error of "The wizard was interrupted.." meant we could not even get the binaries installed. So check the obvious things - disk space sufficient, restart the machine, admin rights etc. Logs of that are typically found at: %Program Files%\Oracle\Inventory\logs

If all else fails, try posting this on the XE forum

-tools/oracle_database_express_edition_xe

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Is this answer out of date? If it is, please let us know via a Comment Comments Comment Dont Unzip!A reader, June 15, 2019 - 7:41 pm UTC

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This article describes the Oracle Database 21c Express Edition (XE) RPM installation on Oracle Linux 7 (OL7) and 8 (OL8) 64-bit. The article is based on a server installation with a minimum of 2G swap and secure Linux set to permissive. An example of this type of Linux installation can be seen here (OL7 or OL8).

With the RPM file downloaded, we can install the Oracle prerequisites and software using the following command as the "root" user. It automatically pulls down all dependencies, including the "oracle-database-preinstall-21c" package. If we do this the "oracle" user doesn't have a home directory created, so I install the preinstall package first, so the "oracle" user is as I expect it. The additional command is included below, but commented out.

Running the following script as the "root" user creates a database called "XE", with a pluggable database (PDB) called "XEPDB1". It's interactive by default as we have to specify a password, which is used for the SYS, SYSTEM and PDBADMIN users. There is an example of running it silently also.

I'd like to set up a database environment at home that mimics what I have in the office (Oracle enterprise geodatabase/ESRI's st_geometry). I want to do this for spatial database training purposes in an Oracle/ESRI environment.

I plan to set up ArcGIS Desktop Advanced (Personal Use license) as the client and Oracle XE 11g R2 (64-bit) as the database. I'll create a geodatabase in the Oracle XE database, and add a st_geometry user-defined type.

From what I've read, it looks like this is possible, in theory . The Oracle database requirements for ArcGIS 10.3.x document says that Oracle 11g R2 (64-bit) 11.2.0.3 is supported by ArcGIS desktop. However, it doesn't explicitly say that the express edition (XE) of Oracle is supported. Also, it has occurred to me that I've never heard of anyone else doing this.

Since I will be purchasing new hardware and software solely for this purpose, I'd like to know ahead of time -- will this work? Can I create a geodatabase (with st_geometry) using ArcGIS Desktop Advanced (Personal Use license) in an Oracle XE 11g R2 (64-bit) database?

For an effectively free Database Server (Desktop) (formerly called Personal ArcSDE), which comes as part of ArcGIS Desktop Advanced (and Standard), I think you will need to drop your requirement for Oracle XE and use SQL Server Express.

The Create Spatial Type tool adds or upgrades the ST_Geometry SQL type, subtypes, and functions to an Oracle or PostgreSQL database. This allows you to use the ST_Geometry SQL type to store geometries in a database that does not contain a geodatabase. This tool also can be used to upgrade an existing ST_Geometry installation in an Oracle or PostgreSQL database.

Unfortunately, I was not able to create a geodatabase in the database. I believe the only way to create a geodatabase in an Oracle database is to use the Enable Enterprise Geodatabase tool. One of the parameters of the tool is authorization_file, which of course, I don't have, because I have not purchased ArcGIS Server.

Provide the path and file name of the keycodes file that was created when you authorized ArcGIS for Server Enterprise. This file is in the \Program Files\ESRI\License\sysgen folder on Windows and /arcgis/server/framework/runtime/.wine/drive_c/Program Files/ESRI/License/sysgen directory on Linux. If you have not already done so, authorize ArcGIS for Server to create this file.

With this introduction post I am starting to write a series of blog posts about how to install the full production environment of Oracle Application Express aka APEX on a CentOS Linux 7 server. Usual APEX production environment involves such components as the OS itself, Apache httpd (or another web server), Apache Tomcat (or another supported application server), ORDS (Oracle Rest Data Services), APEX engine and Oracle Database. If you need something like this for your experiments or a startup, you're at the right place.

This series of blog posts assume you're familiar with Oracle software stack (database, APEX, ORDS) at least to a certain extent, but that you're new to Linux and installing all this on this OS.

Then I can openly say that this guide was inspired by well-done made almost the same guide by Morten Braten, although it was about the previous and sometimes outdated versions of the involved software and there are some specialties which I am covering in this guide. Frankly speaking, I personally sometimes used the Morten's guide when was installing and configuring the software for the first time.

There's also a bunch of scripts developed by Martin D'Souza and company which could help you automatically install all the needed software, however this is not the topic of this guide.

The main idea of the current guide is not just to help you with how to install this or that piece of software, but also to comment on each action and to explain why we need it.

On the schema above (it's clickable) I wanted to show the role of each of the components in our setup. This setup was chosen intentionally, because it consists only of free software and can be obtained by anybody. Now we are going to stop on each component in detail.

I think it is redundant to explain why we need an operating system. Of course we need one, because without it our server is just a pile of metal. A more interesting question is why CentOS. And I have an answer - because it is a community driven version of a very reliable RPM-based commercial linux distribution called RHEL (Red Hat Enterprise Linux). Each time a new version of RHEL comes out, they have to share their source code to public (due to license limitations), and contributors of CentOS take this new version, re-brand, compile and distribute it for free (CentOS stands for Community enterprise Operating System). There's also another option - Oracle Linux, which developers do almost the same, but the CentOS community seems to be way bigger and it's much easier to find an answer on your question when you're stuck somewhere.

An RPM-based distribution, in its place, was chosen because Oracle distributes their express edition of the RDBMS only as the RPM-package. And to minimize potential problems with the setup, I went for CentOS (though it is still possible to install it on a Debian-based system or even on FreeBSD).

APEX engine lives inside the Oracle Database. It's available for free and can be installed into its Express Edition as well, which is a totally free option. Current version of the RDBMS is 18c, and we are going to install exactly this release. Despite the fact that this is only a limited free version of the RDBMS, it offers a lot of great features, which were usually included only with the Enterprise Edition of it, and you are welcome to use them to your benefit.

APEX or Application Express is a low-code web development platform. Quoting the official website, it enables you to design, develop and deploy beautiful, responsive, database-driven applications using only your web browser. It is a free Oracle Database feature. APEX needs a web listener to function - and there are three options available at the moment:

ORDS is a Java EE-based web application which can run in standalone mode or could be deployed to an application server such as Oracle WebLogic, GlassFish or Apache Tomcat. When run in standalone mode, it leverages a built-in web server powered by Jetty.

Besides being a listener for APEX, ORDS could be used to implement RESTful APIs for your databases. And by saying databases I mean relational databases, document stores and even Oracle NoSQL Database.

The Apache Tomcat software is an open source implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. It is a really powerful and fast application server, which is totally free piece of software and is community driven. At the time it is the most commonly used application server for Java applications.

In our setup it is going to be used because of ability to be flexibly configured and for security reasons. It is also much more convenient to use Tomcat service instead of standalone mode of ORDS.

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