Introduction to Database System Which of the following is not a logical data-base structure? relational network chain tree relational network chain tree 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 comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these All of these controlling the input of each input clerk 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 None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. child instance subtype parent child instance subtype parent 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 All of these None 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 All of these None of these you look at each form sequentially until you see the one you want ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
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