Abstract: It is critical to evaluate the quality of clusters for most cluster analysis. A number of cluster validity indexes have been proposed, such as the Silhouette and Davies-Bouldin indexes.

For developers working with SQL Server, few performance tuning techniques are as essential--or as frequently misunderstood--as indexing. Done right, indexing can drastically improve application ...

Oracle has announced the general availability of Oracle SQL Developer Release 1.2 that features new capabilities to ease the migration and consolidation of third-party databases onto Oracle Database ...

In the race for the world's fastest supercomputers, Oracle is entering a new preliminary benchmark: "Zettascale10" is expected to achieve up to 16 Zettaflops, which translates to 16.000 Exaflops, or ...

Nvidia, hot off the festivities of its big GTC conference last week in San Jose, dominates the GPU market with a roughly 95 percent share. But the question remains whether and how other chip suppliers ...

Oracle SQL Developer allows you to connect and manage databases. It is probably the easiest way to run any query as it gives the result in a tabular format. However, we have also noticed that, in some ...

In this Microsoft SQL Server and JDBC tutorial, you'll learn how to connect to a Microsoft SQL Server in Java using JDBC. The steps are relatively straightforward: Each database is different, so ...

In the fast-paced world of web development, staying updated with the latest technologies and best practices is crucial. Oracle APEX, with its continuous updates and improvements, requires developers ...

The Oracle SQL Developer tool can connect to databases other than Oracle, including MySQL, Microsoft SQL Server and DB2. The SQL development environment helps the programmer perform basic functions on ...