Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Subtype entity Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: relation. record. column. field. relation. record. column. field. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data item characteristics that are important in data management include punctuation width language spelling punctuation width language spelling ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . Microsoft's SQL Server Microsoft's Access Oracle Corporation's Oracle IBM's DB2 Microsoft's SQL Server Microsoft's Access Oracle Corporation's Oracle IBM's DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
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