added some aggregation problems

Author: imranpollob

Aggregations/The Blunder.sql

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+SELECT CEIL(AVG(SALARY)-AVG(REPLACE(SALARY, 0 , ''))) FROM EMPLOYEES;

Aggregations/Top Earners.sql

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+select months*salary as e,count(*) from employee group by e order by e desc limit 1;

Aggregations/Weather Observation Station 13.sql

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+select round(sum(lat_n),4) from station where lat_n > 38.7880 and lat_n < 137.2345;  

Aggregations/Weather Observation Station 14.sql

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+select round(max(lat_n),4) from station where lat_n < 137.2345;  

Aggregations/Weather Observation Station 2.sql

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+select round(sum(lat_n),2), round(sum(long_w),2) from station;