The data in a database management system that identifies the structure of the database including names of$$ tables, fields in each$$ table, and the properties of each of the$$ fields, as well as which fields are primary and foreign$$ keys, etc., is called$\_\_\_\_\_\_\_\_.$

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Part $1$

A$.$

qualitative data

B$.$

descriptive data

C$.$

data definitions

D$.$

uberdata

E$.$

metadata