Introduction to Database System A report form appears on the computer monitor during data entry None of these is used during report generation to format data All of these both (a) and (b) appears on the computer monitor during data entry None of these is used during report generation to format data All of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. File structure Database Records Fields File structure Database Records Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run None of these is a low percentages of number of records added or deleted from a file if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run None of these is a low percentages of number of records added or deleted from a file if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? DBMS COBOL programs Users Database applications DBMS COBOL programs Users Database applications ANSWER DOWNLOAD EXAMIANS APP
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