Introduction to Database System A data dictionary is a special file that contains the widths of all fields in all files the data types of all fields in all files All of these the names of all fields in all files None of these the widths of all fields in all files the data types of all fields in all files All of these the names of all fields in all files None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: None of these functional dependencies. referential integrity constraints. normal forms. None of these functional dependencies. referential integrity constraints. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. Many-to-one relationship One-to-one relationship One-to-many relationship Many-to many relationship Many-to-one relationship One-to-one relationship One-to-many relationship Many-to many relationship 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. Delete Index Update None of these Sort Key Delete Index Update None of these Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following hardware components is the most important to the operation of a database management system? high-resolution video display high speed, large-capacity disk printer plotter high-resolution video display high speed, large-capacity disk printer plotter ANSWER DOWNLOAD EXAMIANS APP
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