deferred update 中文意思是什麼
deferred update
解釋
推遲更新-
Deferred global view maintenance can speed up the update transactions by shifting maintenance into a deferred transaction, but even strict two phase locking ( 2pl ) can not guarantee the serializable execution of transactions in this case. this paper develops a serializabitity theory base upon conflicts and serialization graphs in presence of deferred global view maintenance
由於延遲視圖維護機制允許修改事務在全局視圖沒有進行相應的改動之前提交,有暫時的數據不一致情況出現,在這種情況下,即使嚴格的zpl協議也不能保證全局事務的可串列化執行。
分享友人