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Home -> Community -> Usenet -> comp.databases.theory -> Re: foundations of relational theory? - some references for the truly starving
In article <bnibhg$11vvi4$1_at_ID-152540.news.uni-berlin.de>, Costin
Cozianu <c_cozianu_at_hotmail.com> writes
>> Oh - and you want the stats? On average, to retrieve any one row, chosen
>> at random, you need to read just *1.05* frames either to retrieve the
>> row from its primary key, or to know that that primary key doesn't
>> exist! The size of the file doesn't enter into the equation.
>>
>> Cheers,
>> Wol
>
>
>Anthony,
>
>You've got no clue about how modern DBMSes work. None (not even your Pick
>probably) reads 1.05 frames, 1.05 means 2.
The average family here has 1.8 kids! So if someone can have 1.8 kids, why can't we have 1.05 seeks? (Don't know what the American figure is, probably about 2.5 kids.) Or don't you know what the word *average* means?
Cheers,
Wol
-- Anthony W. Youngman - wol at thewolery dot demon dot co dot uk Witches are curious by definition and inquisitive by nature. She moved in. "Let me through. I'm a nosey person.", she said, employing both elbows. Maskerade : (c) 1995 Terry PratchettReceived on Wed Oct 29 2003 - 18:30:49 CST
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