(William Brogden) In my previous article I laid out some differences between the various technologies that get lumped under the term “grid computing” and how Web services and grid computing can work together. Now I would like to describe in more detail how “space” style grid computing actually works
Author: SSWUG Research
Understanding XML Query Standards
(Nancy Vodicka) On Jan. 23, 2007 the W3C granted Recommendation status to XQuery, the XML query language designed to do for Web services what SQL did for relational databases. XQuery allows you to work in one common model no matter what type of data you’re working with — relational, XML or object d
Replication Integrity and Automatic Master Promotion
(Kevin Burton) We’ve been working on automatic master promotion for MySQL using lbpool and I’m reminded of a few ideas we had after reading about MMM.
Tip: Paging Atom: Create a multi-section Atom collection or feed
(Nicholas Chase) As feeds move beyond merely announcing new content on somebody’s blog and into organizing data, you can easily find situations where you don’t want your feed to include all of the available data. This tip shows you how to create an Atom feed that lets users page through it using “ne
Drawing Graphics Shapes in XAML
(Mahesh Chand) This article is an introduction to drawing in XAML and Avalon model. In this article, I will talk about various graphics objects including lines, rectangles, ellipses, and paths and how to draw them using XAML.
OSC: Optimization made easy… (well, at least easier!!!)
(Willie Favero) I started a discussion about OSC, or Optimization Service Center for DB2 for z/OS, in a post I made a few days ago. (See my prior post titled “Optimization Service Center for DB2 for z/OS” on April 5, 2007.) Some information in that post has been “clarified” for me by some friends
Adding and subtracting date/time values in VB.NET
(Irina Medvinskaya) This tip shows how the Date object provides for simple manipulation, which allows you to add and subtract date/time values in VB.NET.
sprintf and printf in PL/SQL
(René Nyffenegger) There are a few things in PL/SQL that I am really missing. One of these things is printf. I am not aware of any built-in functionality that remotely resembles the elegance of printf. Ok, lpad and rpad and to_char come to mind. But these functions are, IMHO, tedious to use, especia
Multi Column Combo Cell for a .NET 2.0 DataGridView Control
(IssaharNoam) Several months ago, I invested several days’ work to find how to implement the multiline combobox in VS8 DataGridView control. I found several solutions but they didn’t fit my needs. I wanted something very simple. And I found it by using Owner Draw approach—just drawing a multicolumn
Dynamic management function query to view index usage
(Louis Davidson) Last week, I presented a query to view I/O pressure, and (to me) more usefully, look at it in a slice of time, like when doing a performance test.