Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the name of a field correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field correct spelling changes before they are recorded change the width of a field All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have no records with the same value in the common field they have a row in common None of these both (b) and (c) they have a field in common they have no records with the same value in the common field they have a row in common None of these both (b) and (c) they have a field in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file renewing upgrading restructuring Updating renewing upgrading restructuring Updating 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-many relationship None of these One-to-one relationship Many-to-one relationship One-to-many relationship Many-to-many relationship None of these One-to-one relationship Many-to-one relationship One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
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