Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. normal forms. referential integrity constraints. transitive dependencies. modification anomalies. normal forms. referential integrity constraints. transitive dependencies. 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? Relationship Entity Identifier Attribute Relationship Entity Identifier Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . itself a subtype entity an archetype entity an instance entity itself a subtype entity an archetype entity an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . reports user data indexes metadata reports user data indexes metadata ANSWER DOWNLOAD EXAMIANS APP