Introduction to SQL What is the meaning of LIKE '%0%0%' Feature has more than two 0's Feature has two 0's in it, at any position Feature ends with two 0's Feature begins with two 0's Feature has more than two 0's Feature has two 0's in it, at any position Feature ends with two 0's Feature begins with two 0's ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; SELECT humidity = 89 FROM weather; SELECT city FROM weather; SELECT city FROM weather WHERE humidity = 89; SELECT city WHERE humidity = 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? All of these Strings Dates Column Alias All of these Strings Dates Column Alias ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the name of the sailors who have reserved at least two boats? All of these SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid All of these SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid ANSWER DOWNLOAD EXAMIANS APP
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