Like all ID-dependent relationships,the parents of an association table are required.
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Q20: The ideal primary key is short,numeric,and fixed.
Q21: To represent an N:M relationship in a
Q22: To represent a 1:N relationship in a
Q23: To represent an N:M relationship in a
Q24: An intersection table can have additional attributes
Q26: An intersection table is always ID-dependent on
Q27: To represent a 1:1 binary relationship in
Q28: In a 1:1 relationship,the foreign key is
Q29: In a relational database design,all relationships are
Q30: When the key of one table is
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