Introduction to SQL A subquery in an SQL SELECT statement: can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. can only be used with two tables. cannot have its results sorted using ORDER BY. can always be duplicated by a join. has a distinct form that cannot be duplicated by a join. can only be used with two tables. cannot have its results sorted using ORDER BY. ANSWER DOWNLOAD EXAMIANS APP
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 The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which one of the following sorts rows in SQL? GROUP BY SORT BY ALIGN BY ORDER BY GROUP BY SORT BY ALIGN BY ORDER BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword(s) ________ is used with wildcards. NOT IN only IN only LIKE only IN and NOT IN NOT IN only IN only LIKE only IN and NOT IN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. DISTINCT SINGLE UNIQUE ONLY DISTINCT SINGLE UNIQUE ONLY ANSWER DOWNLOAD EXAMIANS APP