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Page compression
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Steve Jones - SSC Editor
Steve Jones - SSC Editor
Posted Friday, May 27, 2011 12:00 AM
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Comments posted to this topic are about the item
Page compression
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Forum Etiquette: How to post data/code on a forum to get the best help
Post #1116014
Koen Verbeeck
Koen Verbeeck
Posted Friday, May 27, 2011 12:06 AM
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Nice question, but just one small problem:
"In prefix compression, does the entire prefix stored in the header need to match the data to be used?"
--> requires the answer NO to be correct
"In other words, if I have a prefix of "aaabcd" in the header and a data element of "aaabfgr" in a field, can prefix compression be applied?"
--> requires the answer YES to be correct
I chose NO, but apparently that was the wrong one, although I meant to answer the first question.
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Post #1116018
khullargirish02
khullargirish02
Posted Friday, May 27, 2011 2:04 AM
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The answers are different for each line.
In prefix compression, does the entire prefix stored in the header need to match the data to be used?
No
if I have a prefix of "aaabcd" in the header and a data element of "aaabfgr" in a field, can prefix compression be applied?
Yes..
I choose No, and it gave incorrect....
Post #1116046
Chris Houghton
Chris Houghton
Posted Friday, May 27, 2011 2:29 AM
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khullargirish02 (5/27/2011)
The answers are different for each line.
In prefix compression, does the entire prefix stored in the header need to match the data to be used?
No
if I have a prefix of "aaabcd" in the header and a data element of "aaabfgr" in a field, can prefix compression be applied?
Yes..
I choose No, and it gave incorrect....
Same here - I answered the first question as a no.
Post #1116055
DugyC
DugyC
Posted Friday, May 27, 2011 3:09 AM
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Yep, 2 different questions with 2 different answers.
Fortunately for me I answered the second question, but I can understand the frustration for those that answered the first.
_____________________________________________________________________
"The difficult tasks we do immediately, the impossible takes a little longer"
Post #1116073
L' Eomot Inversé
L' Eomot Inversé
Posted Friday, May 27, 2011 3:10 AM
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I answered the second sentence, after reading the whole question (or, rather, both questions
). But I did that with some trepidation, as guessing which of the two questions to answer wasn't a sure thing.
Very interesting question though. I used to assume that a full match was required and was startled to discover it wasn't (and because I found it startling, I remembered it).
Tom
Que conclure à la fin de tous mes longs propos? C'est que les préjugés sont la raison des sots. (Voltaire, 1756)
Post #1116074
mohammed moinudheen
mohammed moinudheen
Posted Friday, May 27, 2011 4:57 AM
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Thanks for the question
Mohammed Moinudheen
Post #1116128
gsc_dba
gsc_dba
Posted Friday, May 27, 2011 5:38 AM
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Chris Houghton (5/27/2011)
khullargirish02 (5/27/2011)
The answers are different for each line.
In prefix compression, does the entire prefix stored in the header need to match the data to be used?
No
if I have a prefix of "aaabcd" in the header and a data element of "aaabfgr" in a field, can prefix compression be applied?
Yes..
I choose No, and it gave incorrect....
Same here - I answered the first question as a no.
And me too!
_____________________________________________________________________________________
gsc_dba
Post #1116155
Kiara
Kiara
Posted Friday, May 27, 2011 6:40 AM
Mr or Mrs. 500
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Last Login: Wednesday, May 01, 2013 6:14 AM
Points: 592,
Visits: 1,423
Very good question topic. I learned something - which is always the point!
-Ki
Post #1116185
OCTom
OCTom
Posted Friday, May 27, 2011 6:41 AM
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Last Login: Today @ 6:35 AM
Points: 2,016,
Visits: 2,848
It's impossible to answer this. My mind is in an infinite loop...
Post #1116186
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