The description of the DSDL given here is based on the 1981 Codasyl report on a
Draft Specification of a Data Storage Description Language. The following extract
from this report defines the terms used in the DSDL:
‘Astorage area is a named subdivision of the storage space allocated to a database. It
is a container for storage records and indexes.
A pageis an individually numbered subdivision of a storage area, each storage area
consisting of an integral number of pages of the same capacity. Successive access to
storage records is fastest if they are stored within the same page, and successive access
to pages with adjacent page numbers is generally ...
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