Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Index Update Sort Key None of these Delete Index Update Sort Key None of these Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows All of these None of these SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT All of these None of these SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to arrange them store information together create them access them arrange them store information together create them access them ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Relationships Entities Identifiers Attributes Relationships Entities Identifiers Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is controlling the input of each input clerk dividing documents to be entered into batches All of these None of these 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 dividing documents to be entered into batches All of these None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a relational chain tree network relational chain tree network ANSWER DOWNLOAD EXAMIANS APP
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