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1 0 1 point Which one NOT true about foreign key in referential integrity constraints. A foreign key value must be unique A foreign key
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Which one NOT true about foreign key in referential integrity constraints.
A foreign key value must be unique
A foreign key value can be null
A foreign key restricts the value of corresponding column of the referencing table.
A foreign key can be duplicate
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T Sql Fundamentals
Authors: Itzik Ben Gan
4th Edition
0138102104, 978-0138102104
