Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Key Tuple Relation Determinant Key Tuple Relation Determinant ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? All of the listed here ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE All of the listed here ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Relational database Network database Hierarchical database Distributed database Relational database Network database Hierarchical database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → C → B → A → (B,C) → C → B → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
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