We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
in group by there is a problem. to remove it on the line group by
write
GROUP BY h.hacker_id,h.name
then after it work in mysql.
because with group by clause we can use aggregation function and the attribute by which we want to group the data
Cookie support is required to access HackerRank
Seems like cookies are disabled on this browser, please enable them to open this website
Top Competitors
You are viewing a single comment's thread. Return to all comments →
in group by there is a problem. to remove it on the line group by write GROUP BY h.hacker_id,h.name then after it work in mysql. because with group by clause we can use aggregation function and the attribute by which we want to group the data