Introduction to SQL To define what columns should be displayed in an SQL SELECT statement: use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER use FROM to name the source table(s) and list the columns to be shown after SELECT. use SELECT to name the source table(s) and list the columns to be shown after USING. use USING to name the source table(s) and list the columns to be shown after SELECT. use USING to name the source table(s) and list the columns to be shown after WHER use FROM to name the source table(s) and list the columns to be shown after SELECT. use SELECT to name the source table(s) and list the columns to be shown after USING. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis The order of occurrence determines the order of evaluation. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... specify what table we are selecting or deleting data FROM specify search condition specify range for search condition None of these specify what table we are selecting or deleting data FROM specify search condition specify range for search condition None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN. True False True False 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 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 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 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 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 To sort the results of a query use: ORDER BY. GROUP BY. SORT BY. None of these ORDER BY. GROUP BY. SORT BY. None of these ANSWER DOWNLOAD EXAMIANS APP
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