Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE All of these None of these SELECT DIFFERENT SELECT DISTINCT SELECT UNIQUE All of these 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 The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a on demand report exception report regularly scheduled report forecasting report on demand report exception report regularly scheduled report forecasting report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . single-user database application e-commerce database application data mining database application multiuser database application single-user database application e-commerce database application data mining database application multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what these files contain All of the listed here what files are in the database what attribute are possessed by the data what these files contain All of the listed here what files are in the database what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema stores data in tables restricts the structure to a one-to-many relationship All of the listed here permits many-to-many relation¬ships stores data in tables restricts the structure to a one-to-many relationship All of the listed here permits many-to-many relation¬ships ANSWER DOWNLOAD EXAMIANS APP