[問題] 3題計概的問題
※ [本文轉錄自 Grad-ProbAsk 看板]
作者: aquariusgirl (學,然後知不足) 看板: Grad-ProbAsk
標題: [問題] 一些計概的問題
時間: Thu Feb 26 00:32:39 2009
1.high speed memory that is built into CPU for storing temporary instruction
and data is called?
答案是cache,我想請問為什麼不是register呢?
2.*A normalize DB stores non-primary key data in only one location.
*Normalized DB have a design that reflects the true dependencies between
tracked quantities.
這兩句話到底是什麼意思呢?
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※ aquariusgirl:轉錄至看板 Prob_Solve 02/26 11:17
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02/27 02:43, , 1F
02/27 02:43, 1F
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02/27 12:11, , 2F
02/27 12:11, 2F
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02/27 12:43, , 3F
02/27 12:43, 3F
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05/15 08:23, , 4F
05/15 08:23, 4F