header checksum 中文意思是什麼
header checksum
解釋
報頭校驗和-
When checksum is specified, a checksum is calculated over the contents of the whole page and stored in the database page header when a page is written to disk
如果指定了checksum ，在頁寫入磁盤時就會對整頁的內容計算校驗和，並將結果存儲在數據庫頁頭中。 -
When the page is read from disk, the checksum is recomputed and compared to the checksum value stored in the page header
從磁盤中讀取頁時，將重新計算校驗和，並與存儲在頁頭中的校驗和值進行比較。 -
Calculates a checksum over the contents of the whole page and stores the value in the page header when a page is written to disk
在向磁盤中寫入頁面時，計算整個頁面內容的校驗和並將該值存儲在頁頭中。 -
When the page is read from disk, the checksum is recomputed and compared to the checksum value stored in the database page header
如果從磁盤中讀取頁，則會重新計算校驗和，並將其與數據庫頁頭中存儲的校驗和值進行比較。 -
Sql server will not verify a checksum or torn page during a read even if a checksum or torn page detection value is present in the page header
即使checksum或torn _ page _ detection值在頁頭中出現， sql server也不會在讀取期間驗證校驗和或頁撕裂。 -
When checksum is specified, the database engine calculates a checksum over the contents of the whole page and stores the value in the page header when a page is written to disk
當指定為checksum時，數據庫引擎將在頁寫入磁盤時，計算整個頁的內容的校驗和並存儲頁頭中的值。
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