Introduction to Database System A tuple is a(n): key of a table. column of a table. two dimensional table. row of a table. key of a table. column of a table. two dimensional table. row of a table. 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? Users COBOL programs DBMS Database applications Users COBOL programs DBMS Database applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file None of these is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files 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 refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: entities. relationships. identifiers. attributes. entities. relationships. identifiers. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these allow you to entry data in all the forms both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these allow you to entry data in all the forms ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called None of these ACCESS DB/DC dictionary TOTAL any of the above None of these ACCESS DB/DC dictionary TOTAL any of the above ANSWER DOWNLOAD EXAMIANS APP
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