資料庫並行控制 - 考試

By Anthony
at 2015-07-25T20:55
at 2015-07-25T20:55
Table of Contents
想請教一下各位前輩們
資料庫 交易章節中
並行控制不佳所導致的問題
我想問是 死結活結餓死 | 遺失更新 不一致分析 未委任相依
不是都是並行控制不佳會導致的嗎? 還是我有觀念有錯
這邊定義 例題都清楚 且可以自行舉例 但題目如果出並行控制不佳
我要回答哪邊呢 為什麼 ..這裡不太懂
還想順便問一下資安 憑證的概念
請問 要驗證憑證擁有人的方法是下面這樣嗎
A與B要通訊 B給A B的憑證 [此憑證目前是被B的CA私密鑰匙加密
A透過自己的CA 拿到 簽發B數位簽證之CA的公開鑰匙
再用此公開金鑰 取出 B的公鑰 順便驗證 這就是B本人無被冒充
是這樣嗎
還是有別的方式??
像是 A直接跟CA要B的憑證??
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