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what is a data directory or data dictionary?

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what is a data directory or data dictionary?

asked Oct 30, 2019 in DBMS by rajeshsharma

Q:

what is a data directory or data dictionary?

data-directory
data-dictionary

Answer

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answered Oct 30, 2019 by SakshiSharma

a data directory is a file that contains metadata i.e data about data.this file

is consulted before actual is read or modified in the database system.

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