Introduction to SQL Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . question mark (?); asterisk (*) percent sign (%); underscore (_) asterisk (*); percent sign (%) underscore(_); question mark (?) question mark (?); asterisk (*) percent sign (%); underscore (_) asterisk (*); percent sign (%) underscore(_); question mark (?) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? SELECT JOIN INSERT DELETE SELECT JOIN INSERT DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat? SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS