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USNW7US
 

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    <hr> <p><a href="https://me.nw7us.us" rel="nofollow noreferrer"><strong>Tomas Hood</strong></a> / <a href="http://nw7us.us/" rel="nofollow noreferrer"><strong>NW7US</strong></a></p> <p><em>The more I learn, the more I realize just how little I know.</em></p> <p>Contributing editor, propagation and space weather, with columns in:</p> <ul> <li><a href="http://www.cq-amateur-radio.com/" rel="nofollow noreferrer">CQ Amateur Radio Magazine</a>, and,</li> <li><a href="http://www.thespectrummonitor.com/" rel="nofollow noreferrer">The Spectrum Monitor</a>.</li> </ul> <p>Social media:</p> <ul> <li>Facebook: <a href="https://www.facebook.com/NW7US" rel="nofollow noreferrer">https://www.facebook.com/nw7us</a></li> <li>Facebook: <a href="https://www.facebook.com/spacewx.hfradio" rel="nofollow noreferrer">https://www.facebook.com/spacewx.hfradio</a></li> <li>Twitter: <a href="https://Twitter.com/NW7US" rel="nofollow noreferrer">https://Twitter.com/NW7US</a> (<a href="https://Twitter.com/NW7US" rel="nofollow noreferrer">@NW7US</a>)</li> <li>Twitter: <a href="https://Twitter.com/HFRadioSpaceWX" rel="nofollow noreferrer">https://Twitter.com/HFRadioSpaceWX</a> (<a href="https://Twitter.com/HFRadioSpaceWX" rel="nofollow noreferrer">@HFRadioSpaceWX</a>)</li> <li>YouTube: <a href="https://YouTube.com/NW7US" rel="nofollow noreferrer">https://YouTube.com/NW7US</a></li> <li>Tumblr: <a href="http://blog.nw7us.us" rel="nofollow noreferrer">http://blog.nw7us.us</a></li> <li>Google+ <a href="http://nw7us.us/+" rel="nofollow noreferrer">http://nw7us.us/+</a></li> <li>Instagram: <a href="https://instagram.com/nw7us" rel="nofollow noreferrer">https://instagram.com/nw7us</a></li> <li>LinkedIn: <a href="https://www.linkedin.com/in/tomashood" rel="nofollow noreferrer">https://www.linkedin.com/in/tomashood</a></li> </ul> <p>Linux User #32405 - Since 1996</p> <p>“For me, great algorithms are the poetry of computation. Just like verse, they can be terse, allusive, dense, and even mysterious. But once unlocked, they cast a brilliant new light on some aspect of computing. ” — Francis Sullivan</p> <p>“An algorithm must be seen to be believed.” — Donald Knuth</p> <p><a href="https://www.facebook.com/NW7US" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VZ4ej.png" alt="NW7US - Morse code on the radio"></a> <a href="https://me.nw7us.us" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/y10KT.jpg" alt="MS SQL Server 2016"></a></p>
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    1. POSQL Server "FOR XML" output from queries joining two tables
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    3. POIn SQL Server, how to configure Fulltext Search to index 1/2, 1/3, 1/4, etc
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    1. COThere is no guarantee that ColB will contain more than one instance of each flip-flop pair. There are some instances where there is exactly two records, each a reversal of the other. Then, there are many rows where there are "duplicates" of what could be a "root".
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    2. COPerhaps the root datum could be "chosen" by comparing ColA with ColB and selecting that datum that is "less-than" the other. In this data, it is not important that either be selected as the root.
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    3. COThat is an excellent question. If I were approaching this via a cursor, I would make the assumption that the first occurrence of the tuple dictates the root because it occurred first in ColA. This is one of the reasons I have been struggling with a non-cursor idea. I thought perhaps I convert the source table so that it has an identity column with its unique key, so that I could do some manner of comparison in order to make that choice.
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