Introduction to Database System Entities use identifiers while tables use keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can be accessed only by data processing professionals None of these can accept English language commands allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals None of these can accept English language commands allows non-programmers to access information stored in a database both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? All of these lack of data independence data redundancy difficult to update program dependence All of these lack of data independence data redundancy difficult to update program dependence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you type the key in an entry line, and the correct form is displayed you enter the search value into the form None of these All of these you look at each form sequentially until you see the one you want you type the key in an entry line, and the correct form is displayed you enter the search value into the form None of these All of these you look at each form sequentially until you see the one you want ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? complex logical relationships records tables treelike structure complex logical relationships records tables treelike structure ANSWER DOWNLOAD EXAMIANS APP
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