Can a database contain two identical records without a negative effect on the integrity of the database? Why or why not?
What will be an ideal response?
Guaranteeing
uniqueness
of
records
is
critical
to
maintaining
database
integrity.
The
primary
concern
with
identical
records
is
that
an
update
or
delete
operation
will
result
in
inconsistent
or
unpredictable
behavior.
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