Introduction to Database System The highest level in the hierarchy of data organization is called data record database data bank data file data record database data bank data file 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. Flat file None of these Database Data structure Table Flat file None of these Database Data structure Table ANSWER DOWNLOAD EXAMIANS APP
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? One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of a list of keys both (a) and (b) All of these None of these pointers to the master list a list of keys both (a) and (b) All of these None of these pointers to the master list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Sort Key Index Delete Update None of these Sort Key Index Delete Update None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes All of these records and files record relationships None of these data elements All of these records and files record relationships None of these data elements ANSWER DOWNLOAD EXAMIANS APP
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