Sleep Soundly with Hibernate

March 3, 2004 David Morris

[The code for this article is available for download.]

Java is often considered less capable at reading and manipulating database table data than procedural programming languages, like RPG and COBOL. That’s because Java programmers often write procedural code when working with relational data, making it more difficult to take advantage of Java’s object-oriented strengths. Hibernate handles this problem by performing many of the mundane tasks associated with database work, allowing Java programmers to concentrate on business requirements instead.

Managing hand-coded SQL statements, Connections, ResultSets, and caching in your applications is error-prone and inefficient. Technologies like Enterprise JavaBeans

Practical Use of a Translation Table

March 3, 2004 Michael Sansoterra

While working on a Microsoft Access 97 project, I was purging and redownloading a large amount of data every night from an iSeries. I noticed that once the data was downloaded, Access took a while to query the data even though there were proper indexes built on the table.

Some investigation revealed that Access was actually doing a large amount of re-sorting of the data because of the difference in the EBCDIC and ASCII collating sequences. In particular, EBCDIC places numerals at the end of the sort order; whereas, ASCII places them toward the beginning. So Access still had to

OS/400 Admin Alert: Five Quick PC5250 Tricks for Administrators

March 3, 2004 Joe Hertvik

Because it’s a mature product, PC5250 has a number of built-in features that the savvy administrator can use to keep his users happy, as well as to make his own life a little easier. Here’s a quick list of five handy PC5250 tricks that are useful in an AS/400 shop. All of these tricks were tested with Client Access Express for Windows V5R1M0, but many of these features are also available with other versions of the product.

Starting a PC5250 Macro or a Script After PC5250 Session Starts

In special situations, you may want to immediately start a macro to

OS/400 Alert: Have You Been Snarfed?

March 3, 2004 Shannon O'Donnell

Just when you thought it was safe to talk on your cell phone, along comes a new form of hacking targeted specifically at these devices. Hacking into cell phones or other Bluetooth-ready devices, known in the industry as “snarfing,” has just gotten a whole lot easier. Speaking of easy, are you are looking for a way to remove any of those nasty Windows viruses making the rounds these days? I’ll tell you where to find the tools you need to target specific viruses.

SNARFING

Despite its name, snarfing has nothing to do with the Smurfs. Nor is it something you