Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators require more disk space than index/report generators are faster than index/report generators none of the listed here do not need to sort before generating a report require more disk space than index/report generators are faster than index/report generators none of the listed here do not need to sort before generating a report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items a general collection of data items an orderly collection of data items a single data item None of these a random collection of data items a general collection of data items an orderly collection of data items a single data item None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the pin code All of these a compound key consisting of the first name and the last name the last name None of these the pin code All of these a compound key consisting of the first name and the last name the last name None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? All of these program/data independence elimination of the data redundancy ability to associate related data increased security All of these program/data independence elimination of the data redundancy ability to associate related data increased security 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 distributed MIS structure decentralized MIS structure hierarchical MIS structure centralized MIS structure distributed MIS structure decentralized MIS structure hierarchical MIS structure ANSWER DOWNLOAD EXAMIANS APP
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