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Which of the following is NOT possible in Oracle? a . Creating a foreign key with values that will update automatically when the value in
Which of the following is NOT possible in Oracle?
a
Creating a foreign key with values that will update automatically when the value in an associated primary key changes.
b
comments on tables that get stored in the system catalog
c
default values for columns
d
Creating a foreign key that will automatically delete rows when an associated primary key row gets deleted
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