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Volume 4, Number 19 -- June 2, 2004

Four Hundred Guru is taking a vacation on June 9, 2004,
and will resume publishing on Wednesday, June 16.


 
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Pooling Your DataSources
by Marc Logemann

In my last article, I explained how to use the IBM Universal JDBC Driver to connect to DB2 for iSeries in the Tomcat 5 environment, using JNDI for looking up the DataSource. You should now know how to define DataSources inside Tomcat and how to get the DataSource inside your Java code. I have not yet covered the definition and using a connection pool, which is important for creating well-performing applications. READ MORE >

 

Don't Let Overrides Deceive You
by Cletus the Codeslinger

Overrides have some nice advantages. Without overrides, I would have to clone programs in order to use different files of the same format. Overrides also let me use different members of a multi-member file. Sometimes it's helpful to know which file or member was used to produce a certain report or display. OS/400 includes an easy-to-use API that eliminates the confusion. READ MORE >


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Query/400 and Multiple Detail Lines
Hey, Ted:

Help! I need to add more fields to the detail line in Query/400, but the line is already full. Do I have to get another query tool? READ MORE >

 

Admin Alert: Checking Your iSeries Batteries
by Joe Hertvik

You may not realize it, but your iSeries boxes contain a set of nickel batteries, which are used as cache battery packs on your systems' I/O adapters. And, like any battery, they eventually have to be replaced; otherwise your system may start to malfunction. This week's "Admin Alert" explains how to check the batteries on your system, so you can determine when they need to be replaced. READ MORE >

 
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  OS/400 Alert: Windows XP Service Pack 2 Beta
  by Shannon O'Donnell

This issue of "OS/400 Alert" brings you up to date on defective IBM PTFs. Using the list provided, you can analyze your own PTF strategy to see if you need to apply patches or remove PTFs before they cause problems on your system. In addition, users of Microsoft Windows XP will want to read on to find out how they can take part in the Windows XP Service Pack 2 beta program. READ MORE >




Reader Feedback and Insights

See reader feedback and insights on ""Creating Dynamic Queries," by Bruce Guetzkow . . . READ MORE >


Editors: Howard Arner, Joe Hertvik, Ted Holt,
Shannon O'Donnell, Kevin Vandever
Managing Editor: Shannon Pastore
Contributing Editors: Joel Cochran, Wayne Evans, Raymond Everhart,
Bruce Guetzkow, Marc Logemann, David Morris
Publisher and Advertising Director: Jenny Thomas
Advertising Sales Representative: Kim Reed
Contact the Editors: To contact anyone on the IT Jungle Team
Go to our contacts page and send us a message.



THIS ISSUE
SPONSORED BY:

Advanced Systems Concepts
Guild Companies
WorksRight Sofware
Guild Companies
GST


BACK ISSUES

TABLE OF
CONTENTS
Pooling Your DataSources

Don't Let Overrides Deceive You

Query/400 and Multiple Detail Lines

Admin Alert: Checking Your iSeries Batteries

OS/400 Alert: Windows XP Service Pack 2 Beta




The Four Hundred
OS/400 Community Reacts to eServer i5

Java, .NET on iSeries Programmers Minds, RPG in Their Blood

Worldwide Server Market Perked Up in Q1

Four Hundred Stuff
Access OS/400 Servers from Wireless BlackBerry Devices

IBM Introduces Integration Software to the Midmarket

eStorage Offers 70 GB iSeries Disk Drive for $995

Four Hundred Monitor




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