Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: add a composite key. split the relation into two relations, each with a single theme. change the theme. create a new theme. add a composite key. split the relation into two relations, each with a single theme. change the theme. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information None of these is a combination of each unique key both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE VIEW command is used to recompile a table to create a trigger to recompile view to define a view of one or more tables or views to recompile a table to create a trigger to recompile view to define a view of one or more tables or views ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an archetype and an instance of that archetype. True False True False ANSWER DOWNLOAD EXAMIANS APP
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