Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT None of these SELECT DISTINCT SELECT UNIQUE All of these SELECT DIFFERENT None of these SELECT DISTINCT SELECT UNIQUE All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation DO INDEX MODIFY INDEX None of these ALTER INDEX REDEFINE INDEX DO INDEX MODIFY INDEX None of these ALTER INDEX REDEFINE INDEX 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 following are components of a database except ________ . user data indexes reports metadata user data indexes reports metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after None of these All of these Insert Delete Look-up None of these All of these Insert Delete Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit Table Record None of these Database Flat File Table Record None of these Database Flat File ANSWER DOWNLOAD EXAMIANS APP
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