Java is the language of the Internet. Using Java, an application developer can write standalone Java applications (which can be launched from a browser with Java's WebStart technology), or they can create HTML applications through servlets, JavaServer Pages (JSP), and Oracle User Interface XML (UIX), which access live data from an Oracle Database.
Java is the preferred programming language for an ever-increasing number of professional software developers. For those who have been programming in C or C++, the move to Java is easy because it provides a familiar environment while avoiding many of the shortcomings of the C language. Developed by Sun Microsystems, Java is fast superseding C++ and Visual Basic as the language of choice for application developers, for the following reasons:
The Java Solution for OLAP
To develop an OLAP application, you can use the Java programming language. Java enables you to write applications that are platform-independent and easily deployed over the Internet.
The OLAP API is a Java-based application programming interface that provides access to multidimensional data for analytical business applications. The OLAP API uses OLAP Catalog metadata to access data that is stored either in the relational tables of a star or snowflake schema, or in views of an analytic workspace that has been enabled for its use.
Java classes in the OLAP API provide all of the functions required of an OLAP application: Connection to an OLAP instance; authentication of user credentials; access to data in the RDBMS controlled by the permissions granted to those credentials; and selection and manipulation of that data for business analysis.
The BI Beans simplify application development by providing these functions as JavaBeans. Moreover, the BI Beans include JavaBeans for presenting the data in graphs, crosstabs, and tables.
Note: Oracle JDeveloper and the BI Beans are not packaged with the Oracle RDBMS.
Oracle Java Development Environment
Oracle JDeveloper provides an integrated development environment (IDE) for developing Java applications. Although third-party Java IDEs can also be used effectively, only JDeveloper achieves full integration with the Oracle Database and BI Beans wizards. The following are a few JDeveloper features:
OLAP Related Interview Questions
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|PL/SQL Interview Questions||Data Warehousing Interview Questions|
|Testing Tools Interview Questions||SQL Database Interview Questions|
|MySQL Interview Questions||ERP Tools Interview Questions|
|Oracle 11g Interview Questions||Hyperion Financial Management Interview Questions|
|Hyperion Essbase 5 Interview Questions||Database Design Interview Questions|
|Data modeling Interview Questions||Oracle Hyperion Planning Interview Questions|
|Biztalk Esb Toolkit Interview Questions|
OLAP Related Practice Tests
|Informatica Practice Tests||PL/SQL Practice Tests|
|Data Warehousing Practice Tests||Testing Tools Practice Tests|
|SQL Database Practice Tests||MySQL Practice Tests|
|ERP Tools Practice Tests||Oracle 11g Practice Tests|
|Hyperion Financial Management Practice Tests||Hyperion Essbase 5 Practice Tests|
|Database Design Practice Tests|
The Multidimensional Data Model
The Sample Schema
Developing Java Applications For Olap
Defining A Logical Multidimensional Model
Creating An Analytic Workspace
Sql Access To Analytic Workspaces
Exploring A Standard Form Analytic Workspace
Adding Measures To A Standard Form Analytic Workspace
Predicting Future Performance
Acquiring Data From Other Sources
Administering Oracle Olap
Materialized Views For The Olap Api
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