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GATE | Sudo GATE 2020 Mock III (24 January 2019) | Question 21
Consider the following table T1:
P is the primary key, Q is the foreign key referencing P in table with on-delete cascade. In order to delete record (8, 5) from table, numbers of additional record that need to be deleted from table is ______.
P is the primary key, Q is the foreign key referencing P in table with on-delete cascade. In order to delete record (8, 5) from table, numbers of additional record that need to be deleted from table is ______.(A)
3
(B)
2
(C)
5
(D)
4
Answer
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