Daily Archive: September 28, 2011

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What are Parameter Markers?

Parameter Markers Parameter Markers show up as ? in queries when you look at them in a dynamic SQL snapshot or in the sysibmadm views. They show up when the value for a variable is not hard-coded at the time of preparation, but instead is changeable at execution time. I’ve included a couple of code snippets to illustrate what I’m talking about....