Introduction to Database System Properties that describe the characteristics of entities are called: identifiers. relationships. attributes. entities. identifiers. relationships. attributes. entities. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the _____ command is used to recompile a view CREATE VIEW DEFINE VIEW None of these COMPILE VIEW ALTER VIEW CREATE VIEW DEFINE VIEW None of these COMPILE VIEW ALTER VIEW ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an instance entity itself a subtype entity an archetype entity an instance entity itself a subtype entity an archetype entity ANSWER DOWNLOAD EXAMIANS APP
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