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Looking at Oracle Express after a long break

The version I am now looking at is Oracle 11G Express. It is also entry level like its predecessor 10G, free with a small foot print. If you are looking at getting acquainted with Oracle you may sample the express which is based on the Oracle 11g Release 2 code base. The download link is here:

http://www.oracle.com/technetwork/products/express-edition/overview/index.html

The last express version of Oracle I looked at was 10G XE. Here are the links (earliest last) to my previous Oracle 10G XE articles. It is possible some links are broken.

In many cases, exporting a table to create an XML file is easy, but importing an XML file to create a table is much more difficult. This is true for Oracle 10G XE, as you will see in the following article:
 
Loading and Unloading XML Files Using Oracle 10G XE

Queries are quantitative questions you pose to a database. Questions such as "how many employees make more than $20,000.00 a year?" or "which employee has worked for more than two years?" are typical examples. In some cases, to answer questions like the ones above, you may go no further than looking it up in one table. However some questions may need more than one table, and it is not uncommon that several tables must be used to provide the answer. Here is how you query multiple tables in Oracle.

Multi-Table Queries with Oracle 10G XE

If you need to dealing with moving legacy data  to more recent databases, this article might help.
It will show you how to move data from an MS Excel file into an Oracle 10G XE table.

Importing a CSV Text File into Oracle 10G XE

Creating tables is one of the most basic tasks you will be doing. Oracle 10G XE provides a wizard to help you create a table. The wizard walks you through several steps for creating a table, taking you to the next step after you have entered valid entries for the current step. While scripts can be used to create a table, creating a table using the visual, form-based creation process is a lot simpler and less prone to errors. This tutorial describes a table to be created in the HR database with all the necessary ingredients for a typical database. This article shows you how.

Creating a Table using Oracle 10G XE

If you're a DBA, one of your basic tasks involves managing users: dropping, adding, and changing
permissions. Even if you aren't a DBA, if you use a database, you may find it helpful to know the
tasks that a DBA performs. This article explains the basics for how to perform these tasks in Oracle
10G XE. Here is a 101 level explanation.

Oracle 10G XE User Management 101

If you have ever loaded data into an Oracle table, you know that it is a rather complicated process.
You will be surprised at how much easier it is to do in Oracle 10G XE. Keep reading to find out.

Loading Spread Sheet Data into Oracle 10G XE

In a previous article, a set of tables from Oracle 10G XE were transferred to SQL 2005 Server using
SQL 2005 Server's Export/Import Wizard. This article is about migrating a table from Oracle 10G XE to SQL Anywhere 10. Someone commented why would anyone want to do this.

Migrating from Oracle 10G XE to SQL Anywhere 10

This tutorial takes you through the process of creating a web service client using the
ApplicationBuilder interface in Oracle 10g XE. The client will access the services offered by a web
service created using the Visual Studio 2005.

Creating an Oracle Web Service Client for a Web Service Created in VS 2005

Oracle 10G XE is versatile. You can also create applications.
This tutorial shows you how to create a report based on a table in the Oracle 10g XE database without stepping out of the IDE. It will show you how to manipulate the report and create a UI.

Developing Applications on Oracle 10g XE: Generating a Report

In an earlier tutorial we saw how to use SQL commands in the Oracle 10g Express Edition, or simply
Oracle XE. We also saw how to use the PL/SQL commands as well. In another tutorial we saw how to use the Query Builder, the graphical interface for fashioning and running SQL in the Oracle XE. The
present tutorial describes the SQL scripting support in Oracle XE. In order to bring out the basic
features of scripting support a few example scripts are considered in the discussion.

SQL Script Support in Oracle 10G Express Edition

Here is my favorite. Learning step-by-step everything you want to do, the technique in all my books so far.
Many enterprises need to move data from one kind of data source to another. This tutorial guides you through the steps necessary to move data from Oracle XE into a SQL 2005 Server database.

Step-By-Step Guide to Importing Data from Oracle XE to SQL 2005

In an earlier tutorial we saw how to use SQL commands in the Oracle 10g Express Edition, or simply
Oracle XE. We also saw how to use the PL/SQL commands as well. In this tutorial we will see how to use the Query Builder, the graphical interface for fashioning and running SQL in the Oracle XE. The
tutorial shows how to interact with the query builder to create a SELECT query in the context of a
single table as well as a SELECT query from two related tables.

Using Query Builder in the Oracle 10g Express Edition

Querying the database is one of the most common tasks that you may have to carry out routinely. This tutorial shows you the options for running SQL queries and how to run the queries against the database in the Oracle Express Edition, Oracle XE for short.

Learning to Query in Oracle XE

There are plenty of companies that produce large, expensive database programs with lots of features. But if you're a small company, you don't need to spend a lot of money to get a database that suits your needs; in fact, you may not need to spend any money at all. This article introduces you to Oracle 10g XE, a free database with a friendly user interface.

Experience the Possibilities with Oracle 10g Express Edition

Here is an article from my book:

"SQL Server Integration Services Using Visual Studio 2005", Chapter 13: Package to Copy a Table from Oracle XE', Packt Publishing, Birmingham and Mumbai, 978-1-847193-31-5, 2007".


This book is a real low cost option to learn SSIS with very little effort from your side.
Image

Oracle 11G XE

It is very easy to  install and work with Oracle 11G XE. Here are some Oracle 11g XE installation slides. After downloading run the setup (319662 KB) program. Here are some installation slides:


Make sure you choose a password for the SYSTEM here. It is not very stringent as in Windows Azure.







After installation you would have a shortcut like this one on your desktop.



You just double click it to launch as shown.


You are in. Login to start your session.

Make sure you read the following to explore Oracle 11G XE further:

http://www.oracle.com/technetwork/articles/sql/11g-xe-quicktour-498681.html

Enjoy.

Mahalo
 

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More Stories By Jayaram Krishnaswamy

Jayaram Krishnaswamy is a technical writer, mostly writing articles that are related to the web and databases. He is the author of SQL Server Integration Services published by Packt Publishers in the UK. His book, 'Learn SQL Server Reporting Services 2008' was also published by Packt Publishers Inc, Birmingham. 3. "Microsoft SQL Azure Enterprise Application Development" (Dec 2010) was published by Packt Publishing Inc. 4. "Microsoft Visual Studio LightSwitch Business Application Development [Paperback] "(2011) was published by Packt Publishing Inc. 5. "Learning SQL Server Reporting Services 2012 [Paperback]" (June 2013) was Published by Packt Publishing Inc. Visit his blogs at: http://hodentek.blogspot.com http://hodentekHelp.blogspot.com http://hodnetekMSSS.blogspot.com http://hodnetekMobile.blogspot.com He writes articles on several topics to many sites.

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