(S.Srivatsa Sivan and R. Venkatavaradan) Service Oriented Architecture (SOA) is an increasingly common buzzword in today’s industry. The benefits of a Web services-oriented framework are well appreciated, but not always well-understood. Enterprises planning to convert their conventional backend appl
Other News
iSeries Gets New Features for LPAR, I/O, SQL
(Cheryl D. Ross) IBM announced a number of incremental enhancements for the iSeries, topped by a simplified Logical Partitioning (LPAR) solution for smaller i5 shops that want to avoid the hassle of having to use the Hardware Management Console (HMC). Other enhancements tackle SQL, security, and I/O
Improved Active Server Pages Error Handling
(Brad Kingsley) Before the .NET Framework, there was no good way to handle errors within Active Server Pages Web applications. As a result, developers failed to address what would happen when an error occurred in their code. If they did decide to address errors, they were forced to use an On Error R
Exporting databases larger than 2 GB on UNIX
(Scott Stephens) Many UNIX variants used system calls that operated on files with 32-bit unsigned integers to indicate file offset; these integers are limited to a range of 0 to 2 gigabytes. See how you can use Oracle’s split trick to export a file up to around 10 GB and still stay under the 2 GB li
UML for the Software Developer, Part 4: Deployment Diagrams
(Mark Goetsch) So far, you and I have journeyed through the realm of class diagrams. Classes are a good start for understanding how an application is hooked together, and while they describe the static relationships between the objects in the system, classes are just an abstraction of the software i
Inheritance and Polymorphism in PHP: Building a Form Generator – Part III
(Alejandro Gervasio) In the last part of this three-part series of articles, we will find out how to improve the form generator we created in part II by learning about Polymorphism and adding it to the mix.
Secure your Server with iptables
(Blane Warrene) As of Linux kernel 2.4 and above, Netfilter has been included as a kernel extension by the majority of (if not all) Linux distributors. iptables is its counterpart and the tool for managing firewall rules. The duo, which I call simply “iptables”, creates a stateful firewall on a Linu
MaxDB performance tuning primer
A history of more than three decades has made MaxDB by MySQL a very mature database with a rich tool set for performance monitoring and analysis. Aside from an activity overview screen and the EXPLAIN SQL statement a SQL logger sophisticated monitoring tools are shipped with MaxDB for free. In a sma
Oracle Security: A Definition in Plain English, Part 2
(Lewis R Cunningham) This is the second entry of a three part series. In part one of this series, I defined what security is and what the different aspects of security in Oracle entailed. In this entry, I am going to show the technical details of implementing security in Oracle. I will create a
Tip: Javadoc as XML
(Jack Herrington) A lot of value is locked up in your Java code: all your classes and interfaces, as well as their instance variables and methods. You can use these data to create documentation, to build code generators, or to provide metrics for project reporting.