SQL Server 2005+ 中的資料塊種類

lawzjf發表於2009-04-24

page 0:file header

page 1:1st PFS(page free space)

page 2:1st GAM

page 3:1st SGAM

page 4及page 5:unused

page 6:1st DCM(differential changed map)

page 7:1st BCM(bulk changed map),也稱為ML mapping page

上述內容恰好佔掉資料檔案的第一個extent。

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