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December 16, 2009 | Vol 8 Issue 24


In This Issue:  

Feature Article - Programming
Use the MI to Work with Pointers in ILE RPG

If you've been avoiding this technique, maybe you shouldn't be.

junlei_liWritten by Junlei Li

With the introduction of the ILE programming model, high-level languages (HLLs), including RPG, are enabled to make bound calls (procedure calls). This makes it possible for programs written in ILE RPG to cooperate with all the other HLLs available on the i5/OS, including Java, and to reuse all existing algorithms and functionalities that have been implemented in other HLLs. This fact is often regarded as proof of the RPG language's openness and modernization.


Feature Article - Programming
Halt Those Long-Running SQL Queries

SQL Cancel support has been greatly enhanced and simplified.

kent_milligan_117x117Written by Kent Milligan

Occasionally, a programmer or user issues an SQL-based report that runs much longer than anticipated. The long-running query may be caused by the user underestimating the complexity of the query or by the size of the data sets being searched. In these situations, it's nice to be able to cancel the SQL request midstream and free up the system resources that the long-running request is consuming. Cancelling the query also gives the submitter an immediate opportunity to review the SQL request instead of waiting for the request to complete.


Feature Article - Application Software
How to Evaluate a Labeling Solution for the System i

There are different approaches to integrating labeling and RFID tags with your System i database, and some are easier to manage than others.

tom_stockwellWritten by Thomas M. Stockwell

Editor's Note: This article is an extraction of the white paper "Bar Code/RFID Label Printing, Avoiding the Integration Traps," which is available free from the MC Press White Paper Center.


Automated Data Collection (ADC) technologies that use bar code and radio frequency identification (RFID) labels have revolutionized how our products are packaged and transported through our supply chains. Bar code labels are now so common on products that they are considered to be the status quo for identifying and routing packages in transit. RFID tag technologies are also making tremendous headway in managing inventory at receiving docks and warehouses for many of the largest retail and government supply chains. How can we assure that these systems give us the best return on investment?


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