Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Identifiers Relationships Entities Attributes Identifiers Relationships Entities Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes filed designators both (a) and (b) data prompts None of these filed designators both (a) and (b) data prompts None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these All of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these All of these 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 Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
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