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  Think Big – Now Think Even Bigger
  Join Us at Internet of Things at Cloud Expo, November 11-13,
at the Javits Center!

The Internet of Things (IoT) is the most profound change in personal and enterprise IT since the creation of the Worldwide Web more than 20 years ago.

All major researchers estimate there will be tens of billions devices - computers, smartphones, tablets, and sensors - connected to the Internet by 2020. This number will continue to grow at a rapid pace for the next several decades.

With major technology companies and startups seriously embracing IoT strategies, now is the perfect time to attend Internet of Things at Cloud Expo in New York City. Learn what is going on, contribute to the discussions, and ensure that your enterprise is as "IoT-Ready" as it can be!

Delegates to Internet of Things at Cloud Expo will be able to attend eight separate, information-packed tracks:

  • Enterprise Cloud
  • Digital Transformation
  • The API Enterprise | Mobility & Security
  • DevOps | Containers & Microservices
  • Cognitive Computing | AI, ML, DL
  • Big Data | Analytics
  • IoT | IIoT | Smart Cities
  • Hot Topics | FinTech | WebRTC

There are 120 breakout sessions in all, with Keynotes, General Sessions, and Power Panels adding to three days of incredibly rich presentations and content.

We'll see you in New York!

Day 3 Keynote at @ThingsExpo | Chris Matthieu, CTO of Octoblu
In his keynote at @ThingsExpo, Chris Matthieu, Director of IoT Engineering at Citrix and co-founder and CTO of Octoblu, focused on building an IoT platform and company. He provided a behind-the-scenes look at Octoblu's platform, business, and pivots along the way (including the Citrix acquisition of Octoblu).
  Themes & Topics to Be Discussed

Consumer IoT
• Wearables
• Smart Appliances
• Smart Cars
• Smartphones 2.0
• Automation
• Smart Travel
• Personal Fitness
• Health Care
• Personalized Marketing
• Customized Shopping
• Personal Finance
• The Digital Divide
• Mobile Cash & Markets
• Games & The IoT
• The Future of Education
• Virtual Reality

Enterprise IoT
• The Business Case for
x IoT
• Smart Grids
• Smart Cities
• Smart Transportation
• The Smart Home
• M2M
• Authentication/Security
• Wiring the IoT
• The Internet of
x Everything
• Digital Transformation
x of Enterprise IT
• Agriculture
• Transportation
• Manufacturing
• Local & State
x Government
• Federal Government

IoT Developers | WebRTC Summit
• Eclipse Foundation
• Cloud Foundry
• Linux Containers
• Node-Red
• Open Source Hardware
• Ajax and the IoT
• Leveraging SOA
• Multi-Cloud IoT
• Evolving Standards
• WebSockets
• Security & Privacy
x Protocols
• GPS & Proximity
x Services
• Bluetooth/RFID/etc
• Nest Labs

The Top Keynotes, the Best Sessions, a Rock Star Faculty and the Most Qualified Delegates of ANY Internet of Things Event!

The future of computing lies in these things. As computing takes a much more active role in our lives it will at the same time become much more invisible. Internet of Things Expo will address the challenges in getting from where we are today to this future.
The high-energy event is a must-attend for senior technologists from CEOs on down – including CIOs, CTOs, directors of infrastructure, VPs of technology, IT directors and managers, network and storage managers, network engineers, enterprise architects, and communications and networking specialists.

@ThingsExpo Power Panel | The World's Many IoTs: Which Are the Most Important?
The Internet of Things is clearly many things: data collection and analytics, wearables, Smart Grids and Smart Cities, the Industrial Internet, and more. Cool platforms like Arduino, Raspberry Pi, Intel's Galileo and Edison, and a diverse world of sensors are making the IoT a great toy box for developers in all these areas. In this Power Panel at @ThingsExpo, panelists discussed what things are the most important, which will have the most profound effect on the world, and what should we expect to see over the next couple of years.
Benefits of Attending the Three-Day Technical Program
  LEARNexactly why Internet of Things is relevant today from an economic, business and technology standpoint.
  HEAR first-hand from industry experts the common issues and requirements for creating a platform for the Internet of Things.
  SEE what new tools and approaches the Internet of Things requires.
  DISCOVER how to drive a distributed approach to the Internet of Things, where applications move to the data.
  FIND OUThow the vast volumes of new data produced by the Internet of Things provides a valuable new source of business insight through advanced analytical techniques.
  MASTER how the ongoing development of smart cities, cars, and houses will enhance connectivity infrastructure.
Lunch Power Panel | Microservices & IoT- Moderated by Jason Bloomberg
In this Power Panel at @DevOpsSummit, moderated by Jason Bloomberg, president of Intellyx, panelists Roberto Medrano, Executive Vice President at Akana; Lori MacVittie, Evangelist for F5 Networks; and Troy Topnik, ActiveState's Technical Product Manager; and Otis Gospodnetic, founder of Sematext; peeled away the buzz and discuss the important architectural principles behind implementing IoT solutions for the enterprise. As remote IoT devices and sensors become increasingly intelligent, they become part of our distributed cloud environment, and we must architect and code accordingly. At the very least, you'll have no problem filling in your buzzword bingo cards.

XML and Oracle9i Release 2
XML and Oracle9i Release 2

With Oracle9i RDBMS Release 2, Oracle has moved further along on the road to a more complete implementation of XML in its database. This release also marks, I believe, one of Oracle's most significant uses of the object-relational capabilities of the database. By combining these capabilities with XML and adhering to W3C standards, Oracle has in the current release a strong contender in the XML-enabled database marketS and without losing the relational capabilities of the database.

Oracle9i Release 2 marks several other unique features for the Oracle database. One of these features is that you can create objects in the database without using DDL (Data Definition Language) and, consequently, without the intervention of database architects and/or administrators. With the current release an XML Schema can be used to create database objects needed to hold XML documents. The part of the Oracle database that holds the schema definition and XML documents is called the XDB. When an XML Schema is saved in the Oracle XDB and then registered with the database, the structures necessary to support XML documents that conform to that XML Schema are created in the database as relational objects. As XML documents are loaded into the database, the contents are automatically distributed among the objects in the database. They can then be retrieved with standard XPath expressions, or through PL/SQL and Java.

Another unique feature is that the loading of XML documents into the XDB has been greatly simplified. In the past, XML documents would have been loaded through Java or PL/SQL code, calling various APIs to parse, validate, and load the documents into the database. With the current release, Oracle has added capabilities to the standard out-of-the-box database listener. In the past this listener would listen on one or more ports for any connection requests, data requests, etc., from the SQL*Net interface; relay those requests to the database for action; and then return the results. The new listener also listens on additional ports for FTP requests and HTTP requests. When it receives these FTP or HTTP requests, the listener loads or retrieves the data from the Oracle XDB. If the document being FTP'd is an XML document associated with an XML Schema that has already been registered with the XDB, then the contents of the document are automatically "shredded" into the object-relational structures created by registering the XML Schema.

Finally, through FTP clients or HTTP-enabled applications, such as Windows File Explorer, the Oracle XDB looks like a file system. Structures within the XDB are represented as folders or directories with files. These files, even if they are XML documents that have been shredded to various objects in the database, can be retrieved and viewed with any HTTP-enabled application, such as Microsoft Word, XMLSPY, or a browser. When XML documents are stored in the XDB, Oracle is aware of the sequence within the XML document. When retrieved, the document is restored to its original structure.

Access to the Oracle XDB
The easiest way to get to the Oracle XDB is through the Windows XP File Explorer, using the "Add a New Network Place" wizard. From the File Explorer choose "My Network Places," then from Network Tasks, choose "Add a network place." The wizard will eventually ask for a network address. For the Oracle XDB the listener by default listens on port 8080. So to direct the File Explorer to the XDB use http://server:8080 as the network address. If the server's name were "frida," for example, the network address would be http://frida:8080/. When attempting to access this network place, a connection to the Oracle XDB is required, so a login prompt appears asking for a database user name and password.

To create new directories or folders in the XDB, you can just add them in the File Explorer as you would add any directory, or you can use Java or PL/SQL to add directories programmatically with a call to the system-provided stored procedure dbms_xdb.createfolder().

result boolean;
result := dbms_xdb.createFolder('/home/' || USER || '/xsd');
result := dbms_xdb.createFolder('/home/' || USER || '/xsl');

Using XMLSPY with Schemas
Within XMLSPY there are several ways to create a schema. You can load an already defined schema, an XSD document. You can use existing XML documents as samples that XMLSPY uses to generate a schema. Or you can use the tools to define the schema directly in XMLSPY. For the examples I use below, I downloaded some references to articles about XML that I discovered through an online search. The references were structured with a name-value pair on each line such as:

Author: William Cowan
Title: Oracle9i and XML

I converted this to a simple XML document by making the name into a tag, and the value was the value for that tag. I then added the directory that contained these documents to my project in XMLSPY and used these documents as samples to create a new schema. Samples of the documents are available at

Preparing the Schema for the Oracle XDB
Now that a schema has been defined, we'll need to make certain modifications to make that schema's registration in the Oracle XDB easier to use. First, we need to make the Oracle namespace xdb part of the schema by adding the line:


as an attribute of the xs:schema tag. In addition, if you used XMLSPY to generate the schema, there will be a root element, in this case called "Firstsearch," which is a complex type that consists of all the complex types and elements that make up the XML documents. If this root element does not exist, you will need to add it. You then need to add the attribute to this element of:


xdb:SQLName is the name that will be given to the base object-relational table in the Oracle XDB for all the XML documents that conform to this schema.

In addition, each complex type in the schema will need an additional attribute of:


where the value for xdb:SQLType defines the name of an object-relational object in the database that will contain the elements and values from the XML document for that part of the document represented by the complex type. The xdb:SQLType value must be unique within the Oracle user in which this schema is being registered. If you do not define the xdb:SQLType attribute for a complex type in the schema, when you register that schema with the Oracle XDB Oracle will create its own internal identifier, which won't be as easy to remember as the one you define yourself.

Once you've added these attributes to the elements in the schema, you can register your schema with the Oracle XDB.

Registering the Schema with the Oracle XDB
There are two ways to register the schema with the Oracle database. One is to use the APIs provided by Oracle. First, using an FTP client, you connect to the Oracle database using the TNS Listener port 2100. Pick the folder in the Oracle XDB that you want to use to store schemas and then FTP the file to the Oracle database. Once the file is stored in Oracle you can register using the following code:


Remember, the schema must be stored in the XDB first before you can register it. The package module registerSchema expects a folder path in the XDB.

XMLSPY allows you to register the schema directly from within XMLSPY. Choose "Convert/Oracle XML DB/Add SchemaS" from the menu and XMLSPY will first ask you to save the schema to the XDB, and then ask if you want to register it.

Loading XML Documents into the Database
Now that you have a registered schema, you can load XML documents associated with the schema into the database. First, make sure that each document is associated with the registered schema by adding the following attribute to the root element:


Once you have added this line to all the documents you want to load, you can load documents into the Oracle database through any FTP client by connecting to the TNS Listener port 2100 and the server with the Oracle XDB. When the FIRSTSEARCH schema was registered with the database, it created a base table named "firstsearch," the value from the xdb:SQLName attribute. Then, for each element in the FIRSTSEARCH schema, Oracle creates a column in this table. For each complex type in the schema, Oracle creates an object-relational table using the value from the xdb:SQLType attribute to name the object, associated with the base table. As an XML document associated with the registered schema is loaded, the content is "shredded" among these objects in the database.

Now that you have loaded XML documents into the Oracle XDB you can retrieve information from those documents using XPath expressions, SQL, or Java. In addition, you can create views in Oracle that reference XDB objects so you are able to use any SQL code in Oracle that functions with views. And since these XDB objects exist in the Oracle database, you can associate them with existing relational tables to put further constraints on the loading of XML documents.

For instance, you might have an XML document based on a customer invoice, and you might want to make sure you load the invoice only if the customer exists in your customer table. You can add a constraint to the database that will ensure that the customer name or number in the XML document exists in the customer table before it will allow the document to be loaded into the XDB. In fact, the Oracle database will report this as an error to your FTP client so you can see why this document didn't load.

With Oracle9i Release 2, Oracle has taken a major step forward - the Oracle XDB provides many of the functions of a dedicated XML database while still keeping the relational capabilities that have made Oracle the leading RDBMS in the market. By more closely following the W3C XML standards, Oracle has made its RDBMS a strong contender in the XML database market.

About William Cowan
I have over 15 years experience in information technology ranging from custom application development to data warehousing to Web applications. I have many years experience with Oracle dating back to Release 5. Since I first saw XML specifics in 1998, I have been an advocate of using XML for content storage as well as system integration.

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2016 | 2015 | 2014 | 2013 | 2012
This week I had the pleasure of delivering the opening keynote at Cloud Expo New York. It was amazing to be back in the great city of New York with thousands of cloud enthusiasts eager to learn about the next step on their journey to embracing a cloud-first worldl."
How does Cloud Expo do it every year? Another INCREDIBLE show - our heads are spinning - so fun and informative."
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