data dictionary file

data dictionary file

(database)
(DDF) A set of files describing the structure of a database file. DDFs define database tables and include information about file locations, field layouts and indexes. DDFs are the standard method for defining field and index characteristics for Btrieve files.
References in periodicals archive ?
Data Dictionary files "know" where the physical manifestations of the database are located, including USERs, TABLEs, INDEXes, and so on.