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. a surrogate key any alternate key the primary key a foreign key a surrogate key any alternate key the primary key a foreign key 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 For every relationship, there are six possible sets of minimum cardinalities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: used to define null status. All of these used to define data types. a column containing the primary key of another table. used to define null status. All of these used to define data types. a column containing the primary key of another table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs An intersection table is required to represent M:N relationships. False True False True 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 fixed. They are numeric. They have meaning to the user. They are short. They are fixed. They are numeric. ANSWER DOWNLOAD EXAMIANS APP