Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: None of these as a wildcard. for ranges. to limit the columns displayed. None of these as a wildcard. for ranges. to limit the columns displayed. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To define the data structures All of these To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of columns. distinct values. values. groups. columns. distinct values. values. groups. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of a SQL SELECT statement is a ________ . table file form report table file form report ANSWER DOWNLOAD EXAMIANS APP
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