Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? JOIN LEFT LEN AVG JOIN LEFT LEN AVG ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? SELECT INSERT JOIN DELETE SELECT INSERT JOIN DELETE ANSWER DOWNLOAD EXAMIANS APP
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