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. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data field data record None of these database data file data field data record None of these database data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Specialized file Master file Update file Log file Specialized file Master file Update file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. False True False True 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called TOTAL any of the above DB/DC dictionary None of these ACCESS TOTAL any of the above DB/DC dictionary None of these ACCESS ANSWER DOWNLOAD EXAMIANS APP
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