While attending college, you accept an IT internship at a local charity. The charity needs to report on
data that is related and exists in two tables.
You need to establish a relationship between the data that is in the two tables.
Which constraint should you define?
A.
Foreign key
B.
Index key
C.
Link key
D.
Default key
A. Foreign Key – establishes relationship between two tables.
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0
Its A: Foreign Key.
What is an Index key anyway? 🙂
3
0
A
1
0
This should be A and NOT B
1
0