[理工] [os] transaction

[bjk (Up2u)]

台大電機丙的題目

請問一下這幾題是考哪一個章節呢

有沒有觀念連結的網址可以參考一下

http://goo.gl/rrdeP

http://goo.gl/wT6FR

http://goo.gl/sOS9L


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When we toss a coin , we obtain either head or tail. Now we toss a coin 5
times. There are 2^5 possible outcomes. How many of them contain no two
consecutive heads?

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※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 59.105.81.29
推 da0910cc:一個transcation代表"a allocation of R/W operator"
→ da0910cc:完成一個基本邏輯上的function,譬如說+,-,*,/....
→ bjk:那他跟可序列化的關係是?
推 pikachu123:去看同步那章最後一個Section
→ pikachu123:這個概念用在資料庫上的 Transcation代表一個
推 pikachu123:Intructions的集合
→ pikachu123:其實這個只有台大電機會考而已
推 pikachu123:A schedule in which each transaction is executed at
→ pikachu123:omically 叫serial schedule
→ pikachu123:他都是出nonserial schedule 可以把nonconflic
→ pikachu123:的instruction 交換讓它變成serial 的
推 TNC:timestamp protocol ch6最後面
→ sneak: timestamp p https://daxiv.com