Introduction to Database System A logical schema describes how data is actually stored on disk is the entire database All of these is a standard way of organizing information into accessible parts None of these describes how data is actually stored on disk is the entire database All of these is a standard way of organizing information into accessible parts None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes record relationships data elements None of these records and files All of these record relationships data elements None of these records and files All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema stores data in tables All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships stores data in tables All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key both (a) and (b) is made up a several pieces of information None of these uniquely identifies an item in a list is a combination of each unique key both (a) and (b) is made up a several pieces of information None of these uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? transaction log query language report writer data manipulation language None of these transaction log query language report writer data manipulation language None of these ANSWER DOWNLOAD EXAMIANS APP
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