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2-126 IBM Informix OnLine Database Server Administrator’s Guide
Data Pages and Data Row Storage
Single-Page Storage
To minimize retrieval time, rows are not broken across page boundaries
unnecessarily. Rows that are shorter than a page are always stored as whole
rows. A page is considered full when the count of free bytes is less than the
number of bytes needed to store a row of maximum size. Figure 2-27 illus-
trates data storage when rows are less than a page.
Figure 2-27
Rows that are
shorter than a page
are stored as whole
rows.
Page header Complete data rows
TimestampSlot table entriesFree space