A file is the physical implementation of a data attribute. Files are the smallest unit of meaningful data to be stored.
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Q23: You see a return to conventional file-based
Q24: File technology is more complex than database
Q25: While a database management system (DBMS) is
Q26: The cost of developing databases is higher
Q27: A field is the physical implementation of
Q29: A primary key is a field whose
Q30: A foreign key is a field whose
Q31: A secondary key is an alternate identifier
Q32: A primary key might be created by
Q33: An index is frequently created for keys.
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