student_doubt/join

 https://stackoverflow.com/questions/43821291/is-it-possible-to-make-shortcut-icon-round-using-css

https://stackoverflow.com/questions/65729652/is-there-a-way-to-change-the-border-radius-of-a-favicon-icon

https://www.geeksforgeeks.org/top-10-new-features-of-html5/

select * from employee_records order by employee_designation desc

SELECT DISTINCT(employee_designation) from employee_records

SELECT count(employee_id) ,employee_designation from employee_records group by employee_designation

SELECT count(employee_id) ,employee_designation from employee_records group by employee_designation

having COUNT(employee_designation)>1

join :--

inner join

SELECT employee_name,employee_attendance FROM employee_records inner join employee_attendance on employee_attendance.employee_id=employee_records.employee_id

left join

SELECT employee_name,employee_attendance FROM employee_records  left join employee_attendance on employee_attendance.employee_id=employee_records.employee_id