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 None of these data manipulation language report writer query language transaction log None of these data manipulation language report writer query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file Updating upgrading renewing restructuring Updating upgrading renewing restructuring ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a _____ resembles the hierarchical model in many respects. Relational database Hierarchical database Distributed database Network database None of these Relational database Hierarchical database Distributed database Network database None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files data elements record relationships None of these All of these records and files data elements record relationships None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these is made up a several pieces of information both (a) and (b) is a combination of each unique key uniquely identifies an item in a list None of these is made up a several pieces of information both (a) and (b) is a combination of each unique key uniquely identifies an item in a list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. None of these Document Database Record Structured data file None of these Document Database Record Structured data file ANSWER DOWNLOAD EXAMIANS APP
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