Introduction to Database System Which of the following is true of a network structure? It will be the dominant data base of the future It is a physical representation of the data It allows a many-to-many relationship It is conceptually simple It will be the dominant data base of the future It is a physical representation of the data It allows a many-to-many relationship It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run None of these if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run None of these if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and transaction log query language and utilities None of the listed here data dictionary and query language data dictionary and transaction log query language and utilities None of the listed here data dictionary and query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Applications are programs that interact directly with the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute describes the entity's characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. None of these Object-Oriented Network Hierarchical Relational None of these Object-Oriented Network Hierarchical Relational ANSWER DOWNLOAD EXAMIANS APP
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