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? Instance entity Supertype entity Subtype entity Archetype entity Instance entity Supertype entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. Many-to-many relationship One-to-one relationship Many-to-one relationship None of these One-to-many relationship Many-to-many relationship One-to-one relationship Many-to-one relationship None of these One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk All of these None of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk All of these None of these 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 allows a many-to-many relationship It is conceptually simple It is a physical representation of the data It will be the dominant data base of the future It allows a many-to-many relationship It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS All of the listed here what attribute are possessed by the data what these files contain what files are in the database All of the listed here what attribute are possessed by the data what these files contain what files are in the database ANSWER DOWNLOAD EXAMIANS APP
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