Wednesday, July 20, 2011

Why Java RDBMS?

It is a well known fact that Java as a programming language set off a new paradigm in the software industry. Suddenly, every software programmer worth his salt was amidst software jargons like 'Platform-Independence', 'Cross-Platform-Deployment' and 'The Java Virtual Machine'. In fact, it did not take long for Java to usurp the 'most sought after status' from many software languages, and become the most preferred tool for creating software; especially software for the web. As the recent trends in the industry show, Java is set to achieve an undeniable position as the most preferred software programming language for a long time to come. It is indeed Java's credit that many prominent vendors who tried to emulate the capacities of Java, failed miserably in the endeavor.

The importance of Java in the software scenario has led to another major trend. Software vendors are either rewriting their existing products in Java, or are creating new products exclusively or partially in Java. This has led many analysts to question the need to port already existing applications to Java. While the prospects of porting small or medium sized software to Java may not attract concern, it assumes significance when we consider porting existing databases that could be handling millions of sensitive blocks of information. Similarly, experts also have to decide between deploying reputed databases, and new databases that have been entirely developed in Java, in their organizations. Analysts have to answer many pertinent questions like: What are the advantages of a Java RDBMS that would compel my company to switch to it? Would it be cost effective to change to an RDBMS that has all the advantages of Java? Would the costs involved in porting millions of existing records justify the perceived performance and scalability features of the Java RDBMS? How secure would be the new RDBMS? What is the learning curve that has to be tackled by the staff who may be assigned to this database? In fact, there are a host of questions that a concerned technical head may ask himself before taking that all important decision to switch to a Java RDBMS. Let's try finding out some of the answers.

What are the advantages of a Java RDBMS?

OK, so we all know that Java is set to capture, or has already captured a sizeable chunk of the software market. However, how does that justify the use of a Java Database? After all, is not Java theoretically capable of integrating with any database? What advantages can be afforded by a Java RDBMS?

Well the answer is quite simple. Java RDBMS has, or supports, the much sought after qualities of Java, which is the most important reason to switch to it. Some of the Java RDBMS already available in the markets answers the immediate concerns of the Technical Lead in the most persuasive manner. For example, Daffodil DB, an RDBMS written in Java, considers the following as its core strengths:

Multiple Platform Portability

Small Size

Java Stored Procedures

Transparent to End User

Zero Administration Efforts

Some of these features are worth a second look.

One RDBMS, multiple avatars

Java RDBMS not only offers the advantages of Java, but also introduces new concepts that can revolutionize database programming techniques. For a start, the much famed portability of Java is the core strength of a Java RDBMS. Now, you don't have to buy different RDBMS for different platforms within the same enterprise. Other than the cost factors, the biggest advantage such an arrangement can give is that in-house code need not be redesigned for different platforms. By standardizing the database that is used, programs working across platforms can interact transparently and effectively. Project managers would vouch that portability, synchronization and customization effort for software running on different platforms are some of the most time consuming and tension filled activities in the office. Now all these activities can be easily implemented with the Java RDBMS in its rightful place.

Store and use those procedures with abandon

Security buffs within the enterprise would always throw a tantrum when dealing with stored procedures. Traditionally, the implementation of stored procedures had been the responsibility of the specific application vendor, and most of them could crash the whole database due to internal errors, rendering precious time and money waste. Java stored procedures with its inbuilt security features is the new fad of security administrators who are finding it powerful, fast, and very safe. Java does not implement Pointers, and so is a safe bet for developers to write secure code and procedures. In addition, with the JVM overlooking all the activities (the sandbox approach), there is no scope for external access that could jeopardize mission critical enterprise applications.

Transparent to End User

Java technologies have always been in the forefront to give us seamless transparent applications with inbuilt security features being given the utmost importance. In a Java RDBMS, database components can be embedded in applications, and they can perform complex tasks without user intervention. In addition, the user need not know the complexities of the database because the embedded database components will do all the work for him without him even knowing about it. This allows the user to concentrate on his tasks rather than configuring databases, which is an auxiliary requirement. In addition, other routine activities like starting the server and repetitive configuring of the database can also be avoided. Perhaps the biggest advantage that Java RDBMS offers is that the user need not weigh the pros and cons about choosing a database vendor. This is because Java RDBMS being extremely portable can seamlessly integrate with almost all platforms, and the embedded components will handle all the chores of integrating with different vendor software. Java RDBMS can also be seamlessly operated across multiple platforms without the need to configure the database for each and every operating system.

Zero Administration Efforts


Java RDBMS comes in with zero administration efforts, which means that once installed and configured, your clients need not change their settings to suit new changes that you make in your database. Java RDBMS also does away with, or considerably reduces, the role of the Database Administrator because of its self-managed features, and its extremely scalable mode of operation.

If you have not thought of it yet, it is a good time to think about Java RDBMS. The time is not far away when the databases industry will be greatly influenced by the power and functionality of Java RDBMS.


Article Source: http://EzineArticles.com/3103
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Monday, January 24, 2011

BASIC CONCEPTS OF JAVA

Now that already we have seen large characteristics what Java can offer us, and before entering to bag in the generation of our first code Java, we are going to glance over the language Java in itself. The basic thing relative to the ones will result very that have know-how of C/C+ +. The programmers with experience in other languages procedurales will recognize most of the constructions. We expect that this chapter result not too intense, nevertheless, yes should been present, because more than one time we will resort to him as reference. In subsequent chapters we will deepen on aspects of the programming in Java by the ones that here we will pass on tiptoe and we will go presenting examples of code of each one of those aspects of the programming in Java.

If really it wants to dominate Java, is not sufficient to know the code. You should begin to think as a programmer, and in this new edition of his guide of best-seller, Java Concepts, programming Cay Horstmann guru shows him how. It brought up to date to integrate Java 6, Concepts of Java, fifth edition is an introduction to the techniques of fundamental programming and the abilities of design that are crucial to learn to plan. Basing on its many years of experience as expert programmer and professor, Horstmann shows the most important elements of the data processing, troubleshooting and the design of the program. Thanks to the formula tested Horstmann, you will be able to complete this book with a solid base in the concepts of programming and troubleshooting and to arrive quickly to the velocity to write program efficient and successful. You Can find the Best Java Knowledge Concepts here exclusive on javaequation.blogspot.com

Characteristics of the fifth new edition: * The focus "gradual Objects" conducts you to step oriented to objects thinking to step, the use of classes, the application of simple methods, until coming to design its own programs oriented to objects. * A strong emphasis in the development based on tests invites to consider the results as is written the code of programming so that a better design, that can be utilized more you program * unique Focus goes beyond the syntax of the language to be concentrate on concepts of data processing and troubleshooting, that encourage to think like a solucionador of problems * New and learning teaching tools in WileyPLUS -
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My Aim Language Java

These annotations of the language Java are the hyphen structured of a course of Introduction to the Language Java. They are not a reference exahustiva of the language but they intend to provide a progressive approximation, leaving from it more elementary and introducing the concepts in an orderly fashion, being supported in the previous thing.

They are structured in the shape of brief lessons, that cover all the aspects of the language in a basic-medium level. Itself they are not assumed know-how of other programming languages, although obviously to be familiarized with concepts relating to the programming as variable, algorithms, objects, etc. facilitates a lot of the task. Nevertheless, the reference has been avoided deliberately or the comparison with other languages, especially with C/C + + that so present is in many texts of Java.

The first part of these annotations covers all the aspects of the language (Classes, Interfaces, inheritance, control of flow, types of data, etc.). The second part, at present in elaboration, treats matters of the API of Java, grouping them for themes (Entrance/Exit, Threads, applets, etc.).