Introduction to Database System An identifier typically uses more than one attribute. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used All of the listed here to take a tablespace online/offline to change storage characteristics to add/rename data files All of the listed here to take a tablespace online/offline to change storage characteristics to add/rename data files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file None of these 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 is a low percentages of number of records added or deleted from a file None of these refers to how closely the files fits into the allocated ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Microsoft Access is an enterprise-class database product. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system None of these allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals can accept English language commands None of these allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals can accept English language commands ANSWER DOWNLOAD EXAMIANS APP
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