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 Which SQL keyword is used to sort the result-set? ORDER SORT BY SORT ORDER BY ORDER SORT BY SORT ORDER BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer and blank for character the same as 0 for integer the same as blank for character not a value the same as 0 for integer and blank for character the same as 0 for integer the same as blank for character not a value ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? BETWEEN operator EXISTS operator LIKE operator None of these BETWEEN operator EXISTS operator LIKE operator None of these ANSWER DOWNLOAD EXAMIANS APP