Julia conducted a 15 days of learning SQL contest. The start date of the contest was March 01, 2016 and the end date was March 15, 2016. Write a query to print total number of unique hackers who made at least 1 submission each day (starting on the first day of the contest), and find the hacker_id and name of the hacker who made maximum number of submissions each day. If more than one such hacker..
Print Prime Numbers SET @i = 2; SET @isPrime = 0; SET @result = ''; DELIMITER $$ CREATE PROCEDURE PrintPrime(IN num INT) BEGIN WHILE @i 1 DO IF @i % @j = 0 THEN SET @isPrime = 0; END IF; SET @j = @j - 1; END WHILE; IF @isPrime = 1 THEN SET @result = CONCAT(@result, @i, '&'); END IF; SET @i = @i + 1; END WHILE ; SET @result = SUBSTR(@result, ..
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