Introduction to Database System In SQL, which command is used to add new rows to a table? ALTER TABLE INSERT APPEND ADD ROW ALTER TABLE INSERT APPEND ADD ROW 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? Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Identifiers Attributes Entities Relationships Identifiers Attributes Entities Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Entity Relationship Identifier Attribute Entity Relationship Identifier Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Entities Attributes Primary keys Relationships Entities Attributes Primary keys Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
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