复制page Type contents Data Data rows with all data,盘区 except text, ntext, image, nvarchar(max), varchar(max), varbinary(max), and xml data, when text in row is set to ON. Index Index entries. Text/Image Large object data types: * text, ntext, image, nvarchar(max), varchar(max), varbinary(max), and xml dataVariable length columns when the data row exceeds 8 KB: * varchar, nvarchar, varbinary, and sql_variant Global Allocation Map, Shared Global Allocation Map Information about whether extents are allocated. Page Free Space Information about page allocation and free space available on pages. Index Allocation Map Information about extents used by a table or index per allocation unit. Bulk Changed Map Information about extents modified by bulk operations since the last BACKUP LOG statement per allocation unit. Differential Changed Map Information about extents that have changed since the last BACKUP DATABASE statement per allocation unit. 1.2.3.4.5.6.7.8.9.10.
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