Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL You can add a row using SQL in a database with which of the following? INSERT ADD CREATE MAKE INSERT ADD CREATE MAKE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? SELECT Username, Password FROM Users SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these SELECT Username, Password FROM Users SELECT Username AND Password FROM Users SELECT Username, Password WHERE Username = 'user1' None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? All of these Column Alias Strings Dates All of these Column Alias Strings Dates 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 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 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 SUM(s.rating) FROM sailors s, reserves r 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 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 SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103; ANSWER DOWNLOAD EXAMIANS APP
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