Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which language has recently become the de-facto standard for interfacing application programs with relational database system? dBASE Oracle None of these 4GL SQL dBASE Oracle None of these 4GL SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → C → B → A → (B,C) → C → B → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to All of the listed here identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . instance database relationship table instance database relationship table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): column of a table. key of a table. row of a table. two dimensional table. column of a table. key of a table. row of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP