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Background documentation File Directory Locate the document in the library structure

The file directory is an internal administration structure of the database system. The file directory contains the following, amongst other things:

·        The assignment of the root pages of the B*-trees to the table IDs

·        The assignment of the initial pages of page chains to the table IDs

·        Type flags (specify whether a table contains primary data, secondary key or LONG values)

See also:

Concepts of the Database System, Data Storage and Access

 

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