Introduction to Database System Which of the following is true of a network structure? 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 It will be the dominant data base of the future It is a physical representation of the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a centralized MIS structure hierarchical MIS structure distributed MIS structure decentralized MIS structure centralized MIS structure hierarchical MIS structure distributed MIS structure decentralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators none of the listed here are faster than index/report generators do not need to sort before generating a report require more disk space than index/report generators none of the listed here are faster than index/report generators do not need to sort before generating a report require more disk space than index/report generators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: separate files data-base administrator users data base None of these separate files data-base administrator users data base None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file 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 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 ANSWER DOWNLOAD EXAMIANS APP