Introduction to SQL Which of the following is valid SQL for an Index? ADD INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CREATE INDEX ID; CHANGE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the temperature in increasing order of all cities SELECT city, temperature FROM weather; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city, temperature FROM weather ORDER BY city; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Select the right statement to insert values to the student table. INSERT INTO student VALUES ( INSERT student VALUES ( INSERT VALUES ( INSERT VALUES INTO student ( INSERT INTO student VALUES ( INSERT student VALUES ( INSERT VALUES ( INSERT VALUES INTO student ( 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. UNIQUE SINGLE ONLY DISTINCT UNIQUE SINGLE ONLY DISTINCT 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? All of these 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 SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid All of these 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 SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid 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
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