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 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following columns is(are) are required in a table? A surrogate key An alternate key A foreign key A primary key TRUE ANSWER : ? YOUR ANSWER : ?
For every relationship, there are six possible referential integrity actions. True False TRUE ANSWER : ? YOUR ANSWER : ?
(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. True False TRUE ANSWER : ? YOUR ANSWER : ?
When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited. False True TRUE ANSWER : ? YOUR ANSWER : ?
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? Default value Data constraints Null status Data type TRUE ANSWER : ? YOUR ANSWER : ?
For every relationship, there are six possible sets of minimum cardinalities. False True TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following situation requires the use of ID-dependent entities? Archetype/instance relationships only All of these Association relationships only Multivalued attributes only TRUE ANSWER : ? YOUR ANSWER : ?