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4. 請解釋關聯式資料庫(relational database)與正規化(normalization)的意義。
問題詳情
4. 請解釋關聯式資料庫(relational database)與正規化(normalization)的意義。
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
上一篇 :
13. 有一 RLC 串聯電路,接於v( t) = sin(377)V 之交流電源,已知電阻 R = 6 Ω、電感抗XL=20Ω、電容抗XC =12Ω,則此串聯電路最大瞬間功率為多少瓦特?(A) 1
下一篇 :
10. 有關下圖所示之電路敘述選項,何者正確?a. RA=10kΩ,RB=20kΩ,C1=0.01μF,其輸出頻率約為2.857kHzb. C1之電壓最大值= c.當RB>> RA時,其工作週期近似於
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