December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 Unleashed
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Data Pages
The actual data rows in tables are stored on data pages. Figure 30.2 shows the basic structure of a data page.
FIGURE 30.2 The structure of a SQL Server data page.
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 30.4 describes the more useful fields contained in the page header.
TABLE 30.4 Information Contained in the Page Header
The Data Rows
Following the ...