Denny Figuerres

I started with computers about 24 years back. First PC was a Commodore VIC 20 and my “Mass Storage” was a cassette tape deck from my stereo gear with a home made A/D converter built from a 555 timer IC. I have worked at a large ISP for several years www.inreach.com based in Stockton California, I was there with the founder John Keagy in the 95-98 time frame when it went from 2,000 subs to 30,000 subs. I ran the support desk for a while and then the IT support including the adoption of RadiusNT form IEA software that logged dialup use form the modem banks to the tune of about 6 million SQL database records per month using SQL 6.5. For the last 4 years I have been working with a Billing and Ops’ system company www.internetsupportsystems.com in florida; I also do custom stuff for different folks in the local area. I have spent many hours with many levels of engineers from Cisco and Motorola. For a while I was on the IETF “Anti Spam Working Group”. I heard a lot of ideas about spam and was able to make some good points about the problem of the internet and the way things work.

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Synapse Analytics Spark Example 2 - ROW_NUMBER()

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The next example is how to do a ROW_NUMBER(), my favourite window function. T-SQL SELECT...

Synapse Analytics Spark Example 1 - Group By

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I have been playing around with the new Azure Synapse Analytics, and I realised...

Renaming Files by Padding Numbers with PowerShell

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Some time ago I had downloaded all the SQL Saturday XML files. I’ve been...

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The media family on device incorrectly formed for read only file group restore

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The Time Zone Range

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Mathematicians and SQL

By Joe Celko

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