Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters Bits None of the listed here Data field Characters Bits None of the listed here Data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Database Flat file Data structure Table None of these Database Flat file Data structure Table None of these 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? SQL 4GL dBASE Oracle None of these SQL 4GL dBASE Oracle None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): two dimensional table. row of a table. column of a table. key of a table. two dimensional table. row of a table. column of a table. key of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form defines none of the listed here the width of each field where data is placed on the screen both of the listed here none of the listed here the width of each field where data is placed on the screen both of the listed here ANSWER DOWNLOAD EXAMIANS APP
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? Archetype entity Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
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