Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing Hi TRUE FLASE Nothing Hi TRUE FLASE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? REMOVE DELETE ALTER COLLAPSE REMOVE DELETE ALTER COLLAPSE 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 BETWEEN 63 AND 79 SELECT * FROM weather WHERE humidity NOT IN (63 AND 79) SELECT * FROM weather WHERE humidity IN (63 to 79) SELECT * FROM weather WHERE humidity BETWEEN 63 AND 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 IN (63 to 79) SELECT * FROM weather WHERE humidity BETWEEN 63 AND 79 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as blank for character the same as 0 for integer the same as 0 for integer and blank for character not a value the same as blank for character the same as 0 for integer the same as 0 for integer and blank for character not a value ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of all cities with their temperature, humidity and countries. SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location; SELECT city, temperature, humidity, country FROM 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 weather.city, temperature, humidity, country FROM weather, location; SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; ANSWER DOWNLOAD EXAMIANS APP
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