what is the difference between the query and corelated
query
Answer Posted / manish
select * from emp; --->> query
select * from emp where sal=(select max(sal) from emp);
--> here a sub query is also there
select * from emp outer where sal= ( select avg(sal) from
emp e where dept.e=dept.outer) --> corelated query
Is This Answer Correct ? | 9 Yes | 7 No |
Post New Answer View All Answers
Which normal form is best?
Any attempt to navigate programmatically to disabled form in a call_form stack is allowed?
Can we insert data in view?
What does where 1/2 mean in sql?
Advantages and disadvantages of stored procedure?
How do I kill a query in postgresql?
Why schema is used in sql?
What is union and union all keyword in sql?
What is file based approach?
how to calculate the difference between two dates? : Sql dba
How to select 10 records from a table?
Why we use triggers in mysql?
What is the difference between rename and alias?
What do you mean by field in sql?
Which is better join or subquery?