Data Models into Database Designs Which of the following columns is(are) are required in a table? A foreign key An alternate key A surrogate key A primary key A foreign key An alternate key A surrogate key A primary key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): attribute. file. tuple. table. attribute. file. tuple. table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible referential integrity actions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, there are six possible sets of minimum cardinalities. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define data types. a column containing the primary key of another table. All of these used to define null status. used to define data types. a column containing the primary key of another table. All of these used to define null status. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited. True False True False ANSWER DOWNLOAD EXAMIANS APP
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