Introduction to SQL A dynamic view is one whose contents materialize when referenced. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: None of these all records meeting the full criteria are to be returned. all columns of the table are to be returned. all records with even partial criteria met are to be returned. None of these all records meeting the full criteria are to be returned. all columns of the table are to be returned. all records with even partial criteria met are to be returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? SELECT, FROM, WHERE SELECT,WHERE,FROM FROM, WHERE, SELECT WHERE, FROM,SELECT SELECT, FROM, WHERE SELECT,WHERE,FROM FROM, WHERE, SELECT WHERE, FROM,SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the meaning of LIKE '%0%0%' Feature ends with two 0's Feature has two 0's in it, at any position Feature has more than two 0's Feature begins with two 0's Feature ends with two 0's Feature has two 0's in it, at any position Feature has more than two 0's Feature begins with two 0's ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the name of the sailors who have reserved at least two boats? SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid All of these SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid All of these SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid ANSWER DOWNLOAD EXAMIANS APP
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