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 Which is not true about surrogate keys? They have meaning to the user. They are fixed. They are short. They are numeric. They have meaning to the user. They are fixed. They are short. They are numeric. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: NULL. NOT NULL. None of these Either of the above can be used. NULL. NOT NULL. None of these Either of the above can be used. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs In 1:N relationships, which entity becomes the parent entity is arbitrary. True False True False 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 be immediately filled with a monetary value of $10,000? Null status Data type Default value Data constraints Null status Data type Default value Data constraints ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? Six Two Four Three Six Two Four Three ANSWER DOWNLOAD EXAMIANS APP