Ebay Interview Question
Member Technical StaffsCountry: India
Interview Type: In-Person
delete *
from (select * from emp MINUS select distinct(emp_id, emp_name, emp_mailid) from emp)
delete *
from (select * from emp MINUS select distinct(emp_id, emp_name, emp_mailid) from emp)
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select Emp_id,Emp_name,Emp_email into newtable from Employee
- zyfo2 January 29, 2013group by Emp_id,Emp_name,Emp_email
having count(*)>1;
delete from Employee
where Emp_id,Emp_name,Emp_email in newtable;
insert into Employee
select Emp_id,Emp_name,Emp_email from newtable;