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 Which type of entity represents an actual occurrence of an associated generalized entity? Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The language used in application programs to request data from the DBMS is referred to as the All of the listed here DML query language DDL All of the listed here DML query language DDL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. instance subtype parent child instance subtype parent child ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
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