Introduction to SQL 'AS' clause is used in SQL for Selection operation. Join operation. Projection operation. Rename operation. Selection operation. Join operation. Projection operation. Rename operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which one of the following sorts rows in SQL? SORT BY GROUP BY ALIGN BY ORDER BY SORT BY GROUP BY ALIGN BY ORDER BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the total rating of the sailors who have reserved boat "103"? SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103; SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Equijoin None of these Non-Equijoin Self-Join Equijoin None of these Non-Equijoin Self-Join ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL can be used to: query database data only. create database structures only. All of these modify database data only. query database data only. create database structures only. All of these modify database data only. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return exactly 10 rows less than 10 rows None of these more than 10 rows exactly 10 rows less than 10 rows None of these more than 10 rows ANSWER DOWNLOAD EXAMIANS APP