Introduction to Database System Related fields in a data base are grouped to form data record menu data file bank None of these data record menu data file bank None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Delete Look-up All of these Insert None of these Delete Look-up All of these Insert None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a tree file a sequential file a hashed file an indexed file None of these a tree file a sequential file a hashed file an indexed file None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. Many-to-one relationship One-to-one relationship Many-to-many relationship None of these One-to-many relationship Many-to-one relationship One-to-one relationship Many-to-many relationship None of these One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
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