DBI202_-_5_-_FA_2023_-_FE_1074.webp
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DBI202_-_5_-_FA_2023_-_FE_1074.webp

(Choose 1 answer)
A foreign key must
A. not contain the same value more than once
B. have a matching value in the referring (primary) table
C. have either a matching value in the referring (primary) table OR be NULL
D. Not be NULL


Exit 47

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