A What Is A Relational Database Explain B Why Would A

a) What is a relational database? Explain.
b) Why would a database administrator want to restrict access to certain tables?
c) Why would a database administrator want to restrict access to certain columns?
d) Why would a database administrator want to restrict access to certain rows?
e) How would limiting data granularity protect the underlying database?
f) What is a data model?

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