15.3 Pages

Table 15-4 shows the page statuses.

Table 15-4 Page statuses

Page statusExplanation
Used pageThis is a page that stores table or index data. A page that is full, such that no more data can be added, is called a full page. A page from which all the data has been deleted, such that there is no data on the page, is called a used free page.
Unused pageThis is a page that has never been used.
Free pageThis is a page that does not store any data. Used free pages and unused pages are free pages.
Organization of this section
15.3.1 Determining the page length
15.3.2 Setting the percentage of unused space in a page
15.3.3 Allocating and releasing pages