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Jessica Qiu

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Top Stories by Jessica Qiu

The Big Data Real-time Application is a scenario to return the computation and analysis results in real time even if there are huge amounts of data. This is an emerging demand on database applications in recent years. In the past, because there wasn't a lot of data, the computation was simple, and few parallelisms, the pressure on the database wasn't great. A high-end or middle-range database server or cluster could allocate enough resources to meet the demand. Moreover, in order to rapidly and parallel access to the current business data and the historic data, users also tended to arrange the same database server for both the query analysis system and the production system. This way, the database cost could be lowered, the data management streamlined, and the parallelism ensured to some extent. We are in the prime time of database real-time application development. ... (more)

Which Tool Will You Choose for Java: Hibernate, esProc, SQL, iBATIS or R?

The data computation layer in between the data persistent layer and the application layer is responsible for computing the data from data persistence layer, and returning the result to the application layer. The data computation layer of Java aims to reduce the coupling between these two layers and shift the computational workload from them. The typical computation layer is characterized with below features: Ability to compute on the data from arbitrary data persistence layers, not only databases, but also the non-database Excel, Txt, or XML files. Of all these computations, the... (more)

Raqsoft Officially Releases esProc

Raqsoft, a business intelligence tool provider, has officially released esProc, the new generation software for data computation and data analytics. The anticipated product which targets at optimizing analysts' benefits has many outstanding features and advantages. This newly launched esProc is the typical real OLAP tools for complicated structured data handling. By breaking the limitations of traditional OLAP tools, analysts can feel free to conduct bound-free data analysis in esProc, making pre-modeling unnecessary. In this case, the real time computation and analysis are real... (more)

Beijing Spirit Leads Enterprises to Continuous Progress

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Two Ideal Solutions to Complex Calculation on Set in Java

In Java development, we may encounter the complex set operations. Java alone is not powerful enough to save programmers' efforts in implementing the computation details, which is time-consuming and poor in code reuse. In view of this, programmers usually resort to dynamic calculation script for set operation. SQL is surely the first kind of script that comes into most programmers' mind. However, to their disappointments, SQL does not support the explicit set, and is unable to represent the sets of a set, ordered set, generic set, and only the result set can be recognized as a set... (more)