Introduction to Database System A form can be used to None of these modify records All of these format printed output delete records None of these modify records All of these format printed output delete records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. identify the records in the list decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. identify the records in the list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . instance relationship database table instance relationship database table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: A → C → B → (B,C) → A → C → B → (B,C) → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. ANSWER DOWNLOAD EXAMIANS APP