Data Models into Database Designs A foreign key is: used to define data types. used to define null status. a column containing the primary key of another table. All of these used to define data types. used to define null status. a column containing the primary key of another table. All of these ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Each entity is represented as a(n): table. file. tuple. attribute. table. file. tuple. attribute. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Cascading updates refers to child rows being automatically deleted when a parent row is deleted. False True False True ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs Which of the following column properties would be used to specify that cells in a column must contain a monetary value? Data constraints Data type Default value Null status Data constraints Data type Default value Null status ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. the primary key any alternate key a foreign key a surrogate key the primary key any alternate key a foreign key a surrogate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. False True False True ANSWER DOWNLOAD EXAMIANS APP
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