Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? relational chain tree network relational chain tree network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? All of these data redundancy program dependence difficult to update lack of data independence All of these data redundancy program dependence difficult to update lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The XML family of standards is very important in database processing today. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is All of these None of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk All of these None of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The purpose of a database is to help people stop using spreadsheets. False True False True ANSWER DOWNLOAD EXAMIANS APP
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