Introduction to SQL What operator tests column for the absence of data? IS NULL operator EXISTS operator NOT operator None of these IS NULL operator EXISTS operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities with temperature, condition and humidity whose humidity is in the range of 63 to 79 SELECT * FROM weather WHERE humidity NOT IN (63 AND 79) SELECT * FROM weather WHERE humidity BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity IN (63 to 79) SELECT * FROM weather WHERE humidity NOT BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity NOT IN (63 AND 79) SELECT * FROM weather WHERE humidity BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity IN (63 to 79) SELECT * FROM weather WHERE humidity NOT BETWEEN 63 AND 79 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 Find the name of all cities with their temperature, humidity and countries. SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity, country FROM weather, location; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity, country FROM weather, location; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: parenthesis -- (...) . CAPITAL LETTERS. brackets -- [...]. braces -- {...}. parenthesis -- (...) . CAPITAL LETTERS. brackets -- [...]. braces -- {...}. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which one of the following sorts rows in SQL? ORDER BY ALIGN BY SORT BY GROUP BY ORDER BY ALIGN BY SORT BY GROUP BY ANSWER DOWNLOAD EXAMIANS APP
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