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CodeTalk 2018 - REST Database Links: Access Oracle Databases in The Cloud Using ORDS, REST, and JSON
|Thursday, May 17, 2018 | 12:00 PM - 1:00 PM EDT
Chris Saxon, Oracle Corporation and Robert Marz, its people
The 2018 CodeTalk Series webinars are co-sponsored by ODTUG and IOUG.
This talk covers a real-world solution that recreates database links using ORDS, REST, and JSON. It breaks the limits of database links by loosely coupling two databases. The complexity is completely hidden from users and developers. Modern technologies such as REST and JSON offer elegant ways to couple databases without fixed dependencies. The protocol http(s) is able to surmount the corporate firewall and query databases in the cloud. A transparent layer made of table functions, views, and instead-of triggers can be placed over the connection.
This talk introduces REST, JSON, and ORDS very briefly. After the stage is set, we explore how to query auto-rest enabled tables from PL/SQL and process the JSON documents. Finally a view with an instead-of trigger is built that can be used by the application developers. A generator that produces all necessary objects will be shown. The generator can integrate into SQL Developer.
The presentation includes a live demo.
The CodeTalk Series Webinars are Co-sponsored by ODTUG and IOUG.
Steven Feuerstein, Oracle Corporation and Darryl Hurley, Implestrat
Darryl Hurley of Implestrat and Steven Feuerstein will follow up from their popular first JSON CodeTalk session in 2017 with a session focused on features added in Oracle Database 12c. Release 2 to support manipulation of JSON documents in PL/SQL. We'll also take any and all questions on working with JSON via SQL, support for which was added in Release 1. Want to make your UI developers happy? Then get really good at serving up JSON to them via a PL/SQL API! This CodeTalk session will help you get the expertise you need to do this.
Steven Feuerstein, Oracle Corporation and Darryl Hurley, Implestrat.com
Blaine Carter and Kris Bhanushali, Oracle Corporation
Oracle is quickly ramping up its cloud services, and one of the things you will need to be able to do is combine multiple services to build your apps in the cloud. This immediately leads to questions of how to best manage application changes and deploy them to production in the cloud. In this CodeTalk webcast, Blaine Carter of the Developer Advocates team picks the brains of Kris Bhanushali, senior principal product manager, who will give a live demo showing how various cloud services come together to enable a developer to build enterprise-grade applications quickly with little external dependency.
Steven Feuerstein, Oracle Corporation, and Sven Weller, Syntegris Information Solutions GmbH
Join Steven Feuerstein for an exploration with Sven Weller (@svenweller) into interesting, lesser-known aspects of PL/SQL. Sven’s been working with Oracle database technology for more than 15 years. He loves to do in-depth analysis of problems, and find new ways to tweak SQL and PL/SQL to come up with solutions. These days, he focuses on performance tuning and rapid application development with Application Express.
Sven’s been working with Oracle database technology for more than 15 years. He loves to do in-depth analysis of problems, and find new ways to tweak SQL and PL/SQL to come up with solutions. These days, he focuses on performance tuning and rapid application development with Application Express. He is also one of the owners and CEOs of Germany based "syntegris information solutions GmbH", a company that specializes in Oracle based consulting and development.
Robert Marz and Sabine Heimsath, its-people GmbH, and Chris Saxon, Oracle Corporation
Dan McGhan and Shakeeb Rahman, Oracle Corporation
Over the years, the APEX team created and maintained dozens of application themes. This practice was simply unsustainable, especially when the choice between themes was often based on color alone. Enter Universal Theme (UT): the theme designed to supersede all the others.
Universal Theme is a responsive theme with features such as Template Options and Theme Roller, which allow developers to customize the theme as needed. But how should one get started? In this CodeTalk, the man behind Universal Theme will tell you how! Attendees will receive a guided tour through the Universal Theme demo app and see a customization based on a logo done live.
Steven Feuerstein, Oracle Corporation with Stefan Poschenrieder, Jacek Gebel and Pavel Kaplya
It’s been quite a while since Oracle Database developers could complain that there were no tools to help them automate the testing of PL/SQL program units. These days, you can choose from SQL Developer with its integrated unit testing, utPLSQL, an open source framework, Code Tester for Oracle, a commercial product from Quest Software, and more. In this CodeTalk, Steven hosts a conversation with three developers who have been heavily involved in establishment strong unit testing processes with their dev teams. Learn from their experiences, mistakes and lessons!
Dan McGhan, Oracle Corporation and "Soyuka", F.G.R. DS-RESTAURATION
In this CodeTalk, Dan McGhan will interview Soyuka, a software engineer and lead developer at F.G.R. DS-RESTAURATION. Soyuka will show how to build a modern, maintainable, real-time ETL. From asynchronous database polling to data extraction based on streams, we will study a real-life use-case with Oracle Database and Node.js. With the help of a well-known process manager, we will see how we can combine micro services to do so.
Chris Saxon, Oracle Corporation and Patrick Barel, AMIS Services
Stop treating your database as a bit bucket and start using the advanced features available in the database. If you use the database to its full extent, you will not only see an increase in performance of your application, but also an increase of the productivity of the developers.
The database is one of the most important assets to your application. It is also one of the most expensive parts in your application. Most organizations don’t get the most out of their database license and treat it like a simple bit bucket. The modern Oracle database can do so much more than just store data. Features you can use ‘in the database’ include:
- Flashback queries (what did my data look like at a certain moment in time)
- Data Security (only read and write data you are authorized for)
- Identity columns (12c)
- Invisible columns (12c)
And many more, of which Chris and Patrick will cover as many as they can.
Steven Feuerstein, Oracle Corporation interviews Morten Egan, the PL/SQL Ninja
How do we make PL/SQL as easy and fun to develop in as Node/Ruby/Python/[flavor of the day]? What are the things that make a language “cool” to build stuff in? Apart from being hip or used by Facebook/Google/Apple, what is the core functionality that should be available in any language and what are the core parts of the ecosystem around a language that makes it easier to pick up and start building? Looking at PL/SQL, what are the must-know packages that will get you started doing fun, useful libraries or applications?
In this CodeTalk session, Steven Feuerstein interviews Morten Egan, aka the PL/SQL Ninja, who has been asking himself – and then answering via code – these very questions. We’ll take a look at some of the utilities and libraries he has built for codemonth.dk and plsql.ninja to see what is possible and discover the sources of Morten’s inspiration and creativity. And time permitting, he’ll demonstrate with some “live” coding as well!
Blaine Carter, Oracle Corporation, and Anton Nielsen, C2 Consulting
To say we live in an increasingly connected world is to state the obvious – and to entice developers to wonder how they can connect their devices to the Internet. Of course, that immediately begs the question of what to do with all the data gathered. We kick off the CodeTalk 2017 series with an interview with Anton Nielsen, longtime explorer of leading-edge technologies in and around Oracle Database. He’s got lots to say about the IoT, and Blaine Carter, Oracle Developer Advocate for Open Source, will make sure you hear all about it.
Toon Koppelaars and Chris Saxon, Oracle Corporation
Toon Koppelaars recently conducted an experiment comparing the performance of different ways of implementing a specific task. The NoPL/SQL approach treats the database as no more than a persistence layer, using only naive single-row SQL statements; it implements all business logic outside of it. The thick database approach treats the database as a processing engine; it uses a combination of sophisticated set-based SQL statements and PL/SQL to implement all business logic inside it. In this session, Chris and Toon investigate Toon’s findings and discuss their implications for database development. This session is a must-watch for anyone who builds applications using Oracle Database.
Blaine Carter, Oracle Corporation, Martin D'Souza, Insum
Git has quickly become one of the dominant version control systems. Git can be intimidating at first, but understanding some of the basic functionality is all that's needed to get started. We'll talk about what Git is and explore the must-know features to get you productive quickly. We'll also explore the major Git repositories GitHub and Bitbucket, and help you get started with each. Finally, we'll take a look at some of the many Oracle open source projects available on https://Github.com/oracle. You'll learn how to fork these repositories, pull them to your local machine, and eventually become a valuable contributor to the open source community.
Chris Saxon and Stew Ashton, Oracle Corporation
Storing changes to data over time is a common requirement. For example, many businesses like to keep a historic record of customer address changes or product price updates. Data warehouse developers frequently need to store history in slowly changing dimensions.
Typically these requirements are implemented by adding effective "from" and "to" date columns to tables. This requires developers to write convoluted select statements to find the rows active at a given point in time. This is error-prone and open to interpretation by developers, making applications harder to maintain.
Introduced in 12c, temporal validity provides a standard way to write queries using effective date ranges. Implementing this helps improve developer productivity by simplifying SQL and providing a consistent method for managing time series data. Watch this session to see how you can easily adopt this on your 12c databases.
Connor McDonald, Oracle Corporation; Scott Wesley, Sage Computing Systems
Analytic SQL in the Oracle Database has been there since 8.1.6, but is still dramatically underused by application developers. Rather than wade through syntax diagrams, let's spend a session solving what used to be considered complex problems, now made simple with the power of Analytics. Oracle ACE Scott Wesley will interview Oracle Developer Advocate Connor McDonald on how to get the best out the Analytic SQL facilities.
In this first webcast, a community expert will interview Steven Feuerstein about the importance of SQL and PL/SQL when building secure, high-performance, and maintainable applications on Oracle Database.
Steven Feuerstein, Oracle Corporation
Join Steven Feuerstein, Architect at Oracle Corporation, and Rob Lockard, database security expert and winner of a 2015 Oracle Database Developer Choice award, as they discuss the top security issues facing Oracle developers today and how they can harden their applications against attack. This session will feature their conversation from COLLABORATE 16, followed by a live Q&A session. Join Steven Feuerstein, Architect at Oracle Corporation, and Rob Lockard, database security expert and winner of a 2015 Oracle Database Developer Choice award, as they discuss the top security issues facing Oracle developers today and how they can harden their applications against attack.
Steven Feuerstein, Oracle Corporation and Oren Nakdimon, Moovit
Millions of people develop applications on top of Oracle Database. The most secure and optimized of those applications take full advantage of SQL and PL/SQL. In this CodeTalk webcast, Steven Feuerstein interviews Oren Nakdimon of Moovit (http://moovitapp.com), lead developer for the backend of this popular transit app, to find out just how he and his small team have made the most of PL/SQL, and how they manage their PL/SQL code base.