Data Models into Database Designs Which of the following column properties specifies whether or not cells in a column must contain a data value? 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 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. any alternate key a foreign key the primary key a surrogate key any alternate key a foreign key the primary key a surrogate key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The DBMS allows surrogate keys to be changed. 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 contain a monetary value? Null status Data type Data constraints Default value Null status Data type Data constraints Default value ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs When the parent entity is required, a new child row can always be inserted. False True False True 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
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