In the May 18, 2006, issue of this newsletter, I demonstrated how RPG's support for calling Java methods makes using JDBC possible. This support lets you access databases designed for Oracle, Microsoft, IBM, and MySQL systems, to name a few. Since I published that article, I've received numerous requests for information about how to set and retrieve null values using my RPG code. In this article, I discuss how to do that and also provide an updated copy of my JDBC wrapper service ...

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