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? Many-to-Many Relationship One-to-Many Relationship Composite Relationship One-to-One Relationship Many-to-Many Relationship One-to-Many Relationship Composite Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Records Database Fields File structure Records Database Fields File structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema describes how data is actually stored on disk is a standard way of organizing information into accessible parts None of these All of these is the entire database describes how data is actually stored on disk is a standard way of organizing information into accessible parts None of these All of these is the entire database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute 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
Introduction to Database System A compound key uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information is a combination of each unique key None of these uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information is a combination of each unique key None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? query language and utilities None of the listed here data dictionary and query language data dictionary and transaction log query language and utilities None of the listed here data dictionary and query language data dictionary and transaction log ANSWER DOWNLOAD EXAMIANS APP
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