Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . metadata compatible self-describing an application program described metadata compatible self-describing an application program described ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the names of all fields in all files All of these the data types of all fields in all files the widths of all fields in all files None of these the names of all fields in all files All of these the data types of all fields in all files the widths of all fields in all files None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? relational network tree chain relational network tree chain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. referential integrity constraints. normal forms. None of these functional dependencies. referential integrity constraints. normal forms. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? ZIP COMMIT SAVE PACK ZIP COMMIT SAVE PACK ANSWER DOWNLOAD EXAMIANS APP
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