The purpose of this paper was to inspire a rising generation of IT professionals by highlighting some of the application development roles that I enjoy and how they are supported by Oracle technologies. As it is with any vocation, the tools available to get the job done are as essential as the knowledge and the experience one needs to get it done efficiently and effectively.
Fundamentally, it is crucial to have a solid foundational knowledge of software and how the specific tools help in implementing a software solution. At the core of the Oracle application is a relational database where data is logically organised into tables, and the tables are interlinked via primary and foreign key relationships to create a system. There are various development roles that one can do in the world of Oracle ranging from; database development, user interface development, application interface development, cloud applications, and business intelligence development.
Oracle development tools range from the traditional database management tools, Java-based mid-tier development tools, to the contemporary frameworks and platforms that are driving sophisticated cloud applications and architecture. These tools are being used to build and deliver intelligent, cutting edge solutions that manage applications data hosted by Oracle databases. What has been important for me is the fact that once I got the core technical development skills, it then became easier to upgrade as long as I understood the trending technologies and how Oracle incorporates them into their products.
As an Oracle applications developer, my job involves developing and maintaining routines that create and maintain the data in the database, and to present the data in such a way that it is operational for its intended purposes. Oracle also provides technologies and tools such as SOA that make interconnections with applications based on any technology seamless. The diagram below is a simple illustration of the architecture of Oracle-based system applications. It represents the database tier, mid-tier and the interface tier where information flows between an Oracle database and the end users, other applications, or other databases.
There is development work to be done at each tier of the application architecture represented above, and Oracle provides the necessary tools and technologies to develop a complete system. One may not necessarily need to be an expert in all the technologies, but it would be essential to understand how they interact with each other to build a seamless system.
Oracle tools even cater for non-technical tasks which are equally essential in software development or in maintaining production systems. The following are some of the roles that I get involved in and how Oracle tools support meeting the task objectives. Requirements analysis and solution design are crucial steps for any software solution as these ensure that the product to be developed meets its functional or non-functional requirements.
Data modelling is a technique that is used in database applications to specify the business requirements that would be later translated into software requirements for coding purposes. Data modelling can start during the business analysis phase as a communication tool in the exploration of system requirements with stakeholders. At this phase, the data model is done at a high level as appropriate to visualise requirements and explore domain concepts.
For purposes of system design, a data model represents the data structures that hold application data and how they are interrelated to create a system. Data modelling at this stage is especially important for purposes of making sure the data requirements of a system are accurately interpreted, and the attributes of each data entity are entirely specified.
Oracle SQL Developer, comes integrated with Data Modeler, a graphical tool for creating data models that enhances productivity and simplifies database creation. Data Modeler also generates the SQL code that is required to create the database tables represented by the data model. However, I don't think this is the biggest reason that Oracle is the behemoth they are. I think it's the US government. I expect that everything in the federal government runs on an Oracle server. Just a guess, though.
I just can't fathom how enterprise sales can float a company that everyone supposedly hates. Hacker News new past comments ask show jobs submit.
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