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GO Part 1
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GO Part 1
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Kenneth.Fisher
Kenneth.Fisher
Posted Thursday, September 06, 2012 10:38 PM
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Comments posted to this topic are about the item
GO Part 1
Kenneth Fisher
I strive to live in a world where a chicken can cross the road without being questioned about its motives.
--------------------------------------------------------------------------------
For better, quicker answers on T-SQL questions, click on the following...
http://www.sqlservercentral.com/articles/Best+Practices/61537/
For better answers on performance questions, click on the following...
http://www.sqlservercentral.com/articles/SQLServerCentral/66909/
Link to my Blog Post -->
www.SQLStudies.com
Post #1355723
Raghavendra Mudugal
Raghavendra Mudugal
Posted Thursday, September 06, 2012 11:14 PM
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Awesome. :) thank you Kenneth.
1. it will insert 1 record - FROM INSERT INTO
2. it will insert 1 record - But the count in table is 2 - from INSERT..SELECT
3. Iteration1- Inserts 2 records - the count is 4
4. Iteration2- Inserts 4 records - the count is 8
5. Iteration3- Inserts 8 records - the count is 16
6. Iteration4- Inserts 16 records - the count is 32
AND
7. Iteration5- Inserts 32 records - the count is 64
Now this is where I went wrong, actually the #2's GO is the valid first iteration, so it stops at #6 which actually completes 5 iterations. (#7 is not valid)
(so simple and yet I messed up
)
(Just wanted to say Thank you to all, this is been the best learning experience apart from the regular routine
)
ww; Raghu
--
There are only 10 types of people in the world, those who understand binary, and those who don't.
Note: (as of now) only.. 1 and 4 applies (i am on my way...)
Post #1355739
tommyh
tommyh
Posted Thursday, September 06, 2012 11:15 PM
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Worthless question because of the fact that you add something that doesnt really relate to the question. The key part in the question is the "GO 5" part. And by adding the select from the table in the insert you make the "GO 5" part secondary.
/T
Post #1355741
Koen Verbeeck
Koen Verbeeck
Posted Thursday, September 06, 2012 11:34 PM
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tommyh (9/6/2012)
Worthless question because of the fact that you add something that doesnt really relate to the question. The key part in the question is the "GO 5" part. And by adding the select from the table in the insert you make the "GO 5" part secondary.
/T
Why does it make GO 5 secondary?
The GO 5 combined with the SELECT makes the insert a power of two, which is a nice twist on the question. The question still deals with the subject: a batch is repeated 5 times because it's followed by GO 5.
@Kenneth: very nice question to end the week.
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Post #1355747
derek.colley
derek.colley
Posted Friday, September 07, 2012 12:41 AM
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Good question, thanks, and how annoying that I couldn't spot the twist until it was too late.
Lesson: Never answer QOTW before 7am.
---
Note to developers:
CAST(SUBSTRING(CAST(FLOOR(NULLIF(ISNULL(COALESCE(1,NULL),NULL),NULL)) AS CHAR(1)),1,1) AS INT) == 1
So why complicate your code AND MAKE MY JOB HARDER??!
Want to get the best help? Click here
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Post #1355777
L' Eomot Inversé
L' Eomot Inversé
Posted Friday, September 07, 2012 1:47 AM
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Good question.
Two days in a row now answering early morning has proved that I shouldn't do it. Yesterday I couldn't add. Today I can't multiply (or at least I get 1*2*2*2*2*2 = 6). Evidently my brain doesn't start functioning until it has been fed and watered.
Tom
Is minic a gheibheann béal oscailte dorn dúnta.
Is minig a cheapas beul fosgailte dòrn dùinte.
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Post #1355797
L' Eomot Inversé
L' Eomot Inversé
Posted Friday, September 07, 2012 1:49 AM
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L' Eomot Inversé (9/7/2012)
Good question.
Two days in a row now answering early morning has proved that I shouldn't do it. Yesterday I couldn't add. Today I can't multiply (or at least I get 1*2*2*2*2*2 = 6). Evidently my brain doesn't start functioning until it has been fed and watered.
Edit: I've just noticed a failure to normalise even to 1 NF in my comment. Two days in a row is clearly a repeating group.
Tom
Is minic a gheibheann béal oscailte dorn dúnta.
Is minig a cheapas beul fosgailte dòrn dùinte.
http://es.linkedin.com/in/tomthomsonsoftware
Post #1355800
Stuart Davies
Stuart Davies
Posted Friday, September 07, 2012 2:39 AM
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Good question
Nearly missed the 5 after the last go - then had to remember why it was significant
Got my point though
-------------------------------
Posting Data Etiquette - Jeff Moden
Smart way to ask a question
There are naive questions, tedious questions, ill-phrased questions, questions put after inadequate self-criticism. But every question is a cry to understand (the world). There is no such thing as a dumb question. ― Carl Sagan
I would never join a club that would allow me as a member - Groucho Marx
Post #1355821
Michael Lysons
Michael Lysons
Posted Friday, September 07, 2012 3:10 AM
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Nice question.
I can see both sides of the discussion above re. whether it was "worthless" or not. I do think the head-scratching (for me, at least) over how many records would be in the table takes away from whether "GO x" is valid or not.
Then again, "Is GO x valid T-SQL?" would be a boring question.
Post #1355841
DugyC
DugyC
Posted Friday, September 07, 2012 3:10 AM
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What a fun question, thanks.
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"The difficult tasks we do immediately, the impossible takes a little longer"
Post #1355842
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