1Correlated subquery
2
3SELECT job_Desc
4 ,(select count(*) from employee where employee.job_id = jobs.job_id) as count
5FROM Jobs
6ORDER BY 2
7
8refrence:
9https://azagappan.wordpress.com/2006/06/23/using-count-with-joins/#:~:text=COUNT(*)%20returns%20the%20number,number%20of%20unique%2C%20nonnull%20values.