Introduction to SQL The SQL keyword(s) ________ is used with wildcards. NOT IN only IN only IN and NOT IN LIKE only NOT IN only IN only IN and NOT IN LIKE only ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . underscore(_); question mark (?) asterisk (*); percent sign (%) question mark (?); asterisk (*) percent sign (%); underscore (_) underscore(_); question mark (?) asterisk (*); percent sign (%) question mark (?); asterisk (*) percent sign (%); underscore (_) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? LEFT AVG LEN JOIN LEFT AVG LEN JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of columns. values. groups. distinct values. columns. values. groups. distinct values. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: braces -- {...}. parenthesis -- (...) . brackets -- [...]. CAPITAL LETTERS. braces -- {...}. parenthesis -- (...) . brackets -- [...]. CAPITAL LETTERS. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What does the following query find?(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'red')MINUS(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'green') None of These Find the sailor IDs of all sailors who have reserved red boats but not green boats Find the sailor IDs of at least one sailor who have reserved red boats but not green boats Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats None of These Find the sailor IDs of all sailors who have reserved red boats but not green boats Find the sailor IDs of at least one sailor who have reserved red boats but not green boats Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats ANSWER DOWNLOAD EXAMIANS APP
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