what is the difference between reference key and foreign key
Answers were Sorted based on User's Feedback
Answer / brijesh kumar mishra
Foreign key can hold null values but primary can not hold
null values
Is This Answer Correct ? | 0 Yes | 1 No |
Answer / gurushant
Foreing key: Suppose two table student and class both having
primary key now if primary key of student in class table
then primary key which is now contain in class table after
relationship called as foreign key.
reference key: It gives the reference of other table.
Is This Answer Correct ? | 0 Yes | 3 No |
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