• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 84
  • Last Modified:

compre toata in where clue oracle

hi am geting this error in this query invalid identifie
select itemN0, item_in_qty - nvl(qty_out,0)qty from employee,dept  
where employee.deptid = dept.deptid  
and qty > dept_qty --how can i compare the  

Open in new window

0
chalie001
Asked:
chalie001
2 Solutions
 
Ryan ChongCommented:
try:

select itemN0, item_in_qty - nvl(qty_out,0) qty from employee,dept  
where employee.deptid = dept.deptid  
and item_in_qty - nvl(qty_out,0) > dept_qty

Open in new window

0
 
Pawan KumarDatabase ExpertCommented:
Try..

select itemN0, item_in_qty - nvl(qty_out,0) qty from employee,dept  
where employee.deptid = dept.deptid  
and (  item_in_qty - nvl(qty_out,0) )  > dept_qty

Open in new window


Try 2..


SELECT * FROM
(
	select itemN0, item_in_qty - nvl(qty_out,0) qty from employee,dept  
	where employee.deptid = dept.deptid  
)
WHERE qty > dept_qty

Open in new window

0
 
Naveen KumarProduction Manager / Application Support ManagerCommented:
I just wanted to mentioned that it is giving an error because it could not refer to the column alias qty in the where clause which you have used in the select.

As mentioned, you need to use the expression itself in the where clause or use an inline view query.

Thanks,
0
 
chalie001Author Commented:
correct solution
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

Improve Your Query Performance Tuning

In this FREE six-day email course, you'll learn from Janis Griffin, Database Performance Evangelist. She'll teach 12 steps that you can use to optimize your queries as much as possible and see measurable results in your work. Get started today!

Tackle projects and never again get stuck behind a technical roadblock.
Join Now