Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to update data in a database? SAVE AS UPDATE SAVE MODIFY SAVE AS UPDATE SAVE MODIFY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? None of these NOT operator EXISTS operator IS NULL operator None of these NOT operator EXISTS operator IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of distinct values. groups. values. columns. distinct values. groups. values. columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The keyword BETWEEN can be used in a WHERE clause to refer to a range of values. True False True False ANSWER DOWNLOAD EXAMIANS APP
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