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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Data Pages

The actual data rows in tables are stored on data pages. Figure 34.2 shows the basic structure of a data page.

Figure 34.2 The structure of a SQL Server data page.

image

The following sections discuss and examine the contents of the data page.

The Page Header

The page header contains control information for the page. Some fields assist when SQL Server checks for consistency among its storage structures, and some fields are used when navigating among the pages that constitute a table. Table 34.4 describes the more useful fields contained in the page header.

Table 34.4 Information Contained in the Page Header

The Data Rows

Following the ...

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Publisher Resources

ISBN: 9780768696585Purchase book