Database Management Interview Question:

What is the difference between inline query and corelated subquery?

Submitted by: Administrator

Inline query :
select * from emp where empno=(select max(empno) from emp);

Co-Related sub query:

Select * from emp where dob> (select distinct dob where
deptno= 10);

Note: In the Inline subquery , The main query depends upon
the outcome value of the inline sub query which is in-lined
but in case of co-related sub query the main query and sub
query both run simultaneously then the check occurs.
Submitted by: Administrator