Data Models into Database Designs In a 1:N relationship, the foreign key is placed in: the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. the child table. either table without specifying parent and child tables. either the parent table or the child table. the parent table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Two Three Six Four Two Three Six Four ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is used to implement relationships between tables. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following columns is(are) are required in a table? A surrogate key An alternate key A foreign key A primary key A surrogate key An alternate key A foreign key A primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following situation requires the use of ID-dependent entities? Multivalued attributes only Association relationships only Archetype/instance relationships only All of these Multivalued attributes only Association relationships only Archetype/instance relationships only All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which is not true about surrogate keys? They have meaning to the user. They are short. They are numeric. They are fixed. They have meaning to the user. They are short. They are numeric. They are fixed. ANSWER DOWNLOAD EXAMIANS APP
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