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  • Using the SQL Features in Operations Navigator

    September 15, 2004 Joel Cochran

    A couple of years ago, I fell in love with SQL. Okay, maybe not in love, but definitely in appreciation. Initially it was a hate/hate relationship. Like most people in RPG land, I had been weaned on native file access and was shocked to discover as I ventured into languages on other platforms that there really is no equivalent. I learned SQL out of necessity, and in the process I’ve become a true believer, even something of an SQL evangelist within my tiny sphere of influence. This article introduces you to using some of the SQL features available in Operations

    …

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  • XML Validation with Regular Expressions

    September 15, 2004 Hey, David

    The code for this article is available for download.

    I want to set the date field in a schema to YYYYMMDD format and use this to validate an XML document. Will I have to have to write any Java code to support this? I also want to set the format of an amount to numbers, with 18 digits followed by 3 digits decimal value. The separator can be either a comma or a decimal point.

     

    –Satish

    From your description, it looks like you can use XML Schema’s pattern-matching capability. With pattern matching, you supply a regular expression that is

    …

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  • Admin Alert: Three Ways to Tighten OS/400 Security

    September 15, 2004 Joe Hertvik

    No matter what type of OS/400 shop you run, chances are good you can tighten your password and sign-on security. On i5, iSeries, and AS/400 boxes, this is a relatively easy thing to do; you just need to know your options and set security values accordingly. To that end, here are three easy ways that OS/400 can help you to tighten your system security.

    Before starting, I should note that these values can be changed either through a green-screen 5250 session or through the graphical iSeries Navigator interface (still sentimentally referred to as OpsNav). To view and change these values

    …

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