Introduction to Database System In SQL, which command(s) is(are) used to create a synonym for a schema object? CREATE SCHEMA CREATE SAME CREATE SYNONYM All of the listed here CREATE SCHEMA CREATE SAME CREATE SYNONYM All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Relation Tuple Determinant Key Relation Tuple Determinant Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: None of these referential integrity constraints. functional dependencies. normal forms. None of these referential integrity constraints. functional dependencies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. parent child instance subtype parent child instance subtype ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters None of the listed here Data field Bits Characters None of the listed here Data field Bits ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS