Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: can only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. can only be used with two tables. can always be duplicated by a join. cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is a programming language. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT,WHERE,FROM SELECT, FROM, WHERE WHERE, FROM,SELECT FROM, WHERE, SELECT SELECT,WHERE,FROM SELECT, FROM, WHERE 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 NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition 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 NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition 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'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. True False True False ANSWER DOWNLOAD EXAMIANS APP