Introduction to SQL Which SQL statement is used to delete data FROM a database? DELETE ALTER REMOVE COLLAPSE DELETE ALTER REMOVE COLLAPSE 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 Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return 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 exactly 10 rows ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause does which of the following? Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for groups rather than rows. Acts like a WHERE clause but is used for rows rather than columns. Acts like a WHERE clause but is used for columns rather than groups. Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for groups rather than rows. Acts like a WHERE clause but is used for rows rather than columns. Acts like a WHERE clause but is used for columns rather than groups. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of cities with all entries whose temperature is in the range of 71 and 89 SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands can be used to add data to a database table? UPDATE INSERT ADD APPEND UPDATE INSERT ADD APPEND ANSWER DOWNLOAD EXAMIANS APP
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