資料庫checkpoint動作 - 考試
By Vanessa
at 2013-08-27T15:49
at 2013-08-27T15:49
Table of Contents
checkpoint定義
由DBMS發起的定期System Log Force Writing
發生時動作如下
(1)暫停交易動作
(2)把記憶體中checkpoint前的動作寫入System Log
(3)把System Log中,commit的交易,寫入資料庫
(4)把[Checkpoint]寫入System Log中
(5)繼續交易
請教上面步驟有錯嗎??
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