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                # DBMS 可串行化 > 原文: [https://beginnersbook.com/2018/12/dbms-serializability/](https://beginnersbook.com/2018/12/dbms-serializability/) 當多個事務同時運行時,數據庫可能會處于不一致狀態。可串行化是一個概念,可以幫助我們檢查哪些[調度](https://beginnersbook.com/2018/12/dbms-schedules/)是可串行化的。可串行化的調度是始終使數據庫保持一致狀態的調度。 ## 什么是可串行化的調度? 可串行化的調度始終使數據庫保持一致狀態。 [串行調度](https://beginnersbook.com/2018/12/dbms-schedules/)始終是可串行化的調度,因為在串行調度中,事務僅在另一個事務完成執行時啟動。但是,需要檢查可串行化的非串行調度。 如果 n 個事務的非串行調度等同于那些 n 個事務的串行調度,則稱其為可串行化調度。串行調度不允許并發,一次只執行一個事務,另一個事件在已經運行的事務完成時啟動。 ## 可串行化的類型 可串行化有兩種類型。 1. [沖突可串行化](https://beginnersbook.com/2018/12/dbms-conflict-serializability/) 2. [查看可串行化](https://beginnersbook.com/2018/12/dbms-view-serializability/)
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