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How does SQL pronounce SQL?


How does SQL pronounce SQL?

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Rich Weissler
Rich Weissler
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Christian Buettner-167247 (6/28/2013)
Love the question Smile Didn't know I was working with a sick whale:

SELECT DIFFERENCE('Sql','sickwhale')
:-D

omg. This made my day! Thank you. When I get home tonight, I'm letting my kids know that I became a marine biologist. I'll let them decide whether that's a promotion or lateral move...
ronmoses
ronmoses
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It doesn't strike me as a particularly useful function, especially given these examples:


SELECT SOUNDEX('cent') --C530
SELECT SOUNDEX('scent') --S253
SELECT DIFFERENCE('cent','scent') --2, a very weak match

SELECT SOUNDEX('through') --T620
SELECT SOUNDEX('threw') --T600
SELECT DIFFERENCE('through','threw') --3, a fair match

--an attempt at regional diplomacy?
SELECT SOUNDEX('route') --R300
SELECT SOUNDEX('root') --R300
SELECT SOUNDEX('rout') --R300
SELECT DIFFERENCE('root','rout') --4, a perfect match
SELECT DIFFERENCE('root','route') --4, a perfect match
SELECT DIFFERENCE('rout','route') --4, a perfect match

--let's see if the US and Canada can put this to rest once and for all:
SELECT SOUNDEX('about') --A130
SELECT SOUNDEX('aboot') --A130
SELECT SOUNDEX('abowt') --A130
SELECT SOUNDEX('abeet') --A130
--all of these will DIFFERENCE with a result of 4, of course



So that seems pretty useless.

ron

-----
a haiku...

NULL is not zero
NULL is not an empty string
NULL is the unknown

george sibbald
george sibbald
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nice question

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cschlieve
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Got mixed up in my order on the answer. Love the question. Seems like something I would never get to use but I could see a time and place in the future (moving into education database) that I might be able to get a couple of uses out of this.
Luis Cazares
Luis Cazares
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ronmoses (6/28/2013)
It doesn't strike me as a particularly useful function, especially given these examples:

...



So that seems pretty useless.

ron


+1


Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?


How to post data/code on a forum to get the best help: Option 1 / Option 2
BarneyL
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While I wouldn't trust the results without checking them by eye (or expect all cases to be found) DIFFERENCE can be used as a quick and dirty way of identifying a short list of possible duplicate records.


SELECT P1.*, P2.*
FROM People AS P1
INNER JOIN People AS P2
ON P1.Date_of_Birth = P2.Date_of_Birth
AND P1.Last_Name = P2.Last_Name
WHERE P1.Person_ID <> P2.Person_ID
AND DIFFERENCE(P1.First_Name,P2.First_Name) = 4



Fuzzy grouping through SSIS is a lot more sophisticated but the above query (or variants swapping first and last name) will give a quick idea of what you're facing very quickly.
ronmoses
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BarneyL (6/28/2013)
While I wouldn't trust the results without checking them by eye (or expect all cases to be found) DIFFERENCE can be used as a quick and dirty way of identifying a short list of possible duplicate records.


I actually had to script something with a similar objective quite recently, and it didn't even occur to me to use this approach. I think I'll revisit that, thanks!

ron

-----
a haiku...

NULL is not zero
NULL is not an empty string
NULL is the unknown

SQLDCH
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Thanks Ron, awesome question.

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pchirags
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nice question..
Thanks..
webrunner
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Thanks - really cool question.

- webrunner

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Ref.: http://www.adminarsenal.com/admin-arsenal-blog/powershell-how-to-write-your-first-powershell-script

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