Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: normal forms. None of these referential integrity constraints. functional dependencies. normal forms. None of these referential integrity constraints. functional dependencies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER All of the listed here ALTER TRIGGER MODIFY USER CHANGE USER All of the listed here ALTER TRIGGER MODIFY USER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: separate files data base users None of these data-base administrator separate files data base users None of these data-base administrator ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: composite keys. foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . itself an archetype entity an instance entity a subtype entity itself an archetype entity an instance entity a subtype entity ANSWER DOWNLOAD EXAMIANS APP
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