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SQLServerCentral Editorial

Unstructured Data

I remember when Windows 3.1 started to gain widespread deployment in businesses. With all it's WYSIWYG features and multiple applications running at the same time, many people felt we'd get to a paperless office. Over a decade later I rarely see an office that doesn't have a copy machine and at least one printer. We've gotten better at shuffling bits, but we haven't gotten rid of paper.

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2007-11-01

126 reads

SQLServerCentral Editorial

Mining or Profiling

The more data you have, the better you should be able to predict something. Or at least that's one of the things that I learned while studying economics. If we could actually gather enough data about someone or some system, we could determine what the most likely outputs of the system will be. In the […]

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2007-10-29

78 reads

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Question of the Day

Crazy Code I

I have this data in my Customer table:

CustomerID CustomerName
1          Steve
2          Andy
3          Brian
4          Allen
5          Devin
I run this code:
SELECT
  t.CustomerID
, c.value
FROM
  ( SELECT
      CustomerID
    , STRING_AGG (CustomerName, ',') AS me
    FROM customer
    GROUP BY CustomerID) t
  CROSS APPLY STRING_SPLIT(me, ',') c;
What is returned?

See possible answers