Introduction to SQL What operator tests column for the absence of data? NOT operator EXISTS operator None of these IS NULL operator NOT operator EXISTS operator None of these IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of groups. distinct values. values. columns. groups. distinct values. values. columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? COLLAPSE REMOVE DELETE ALTER COLLAPSE REMOVE DELETE ALTER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the temperature in increasing order of all cities SELECT city, temperature FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY city; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY city; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? ALTER TABLE CHANGE TABLE MODIFY TABLE None of these ALTER TABLE CHANGE TABLE MODIFY TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
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