Introduction to SQL The SQL keyword BETWEEN is used: as a wildcard. None of these to limit the columns displayed. for ranges. as a wildcard. None of these to limit the columns displayed. for ranges. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat? SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To define what columns should be displayed in an SQL SELECT statement: 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city WHERE humidity = 89; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city WHERE humidity = 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: limits the column data that are returned. Neither A nor B are correct. Both A and B are correct. limits the row data are returned. limits the column data that are returned. Neither A nor B are correct. Both A and B are correct. limits the row data are returned. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Join operation. Projection operation. Rename operation. Selection operation. Join operation. Projection operation. Rename operation. Selection operation. ANSWER DOWNLOAD EXAMIANS APP
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