Solved

To find the count of rows returned by minus in oralce

Posted on 2004-03-27
2
493 Views
Last Modified: 2008-03-03
hi,

select * from a
minus
select * from b

here how to find the no. of rows returned by the above query.

thanks in advance

Regards

S.Djeanthi
0
Comment
Question by:djeanthi
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
2 Comments
 
LVL 50

Accepted Solution

by:
Lowfatspread earned 25 total points
ID: 10697607
have you tried

select count(*) from (
select * from a
minus
select * from b
) as C


?
0
 
LVL 50

Expert Comment

by:Lowfatspread
ID: 10697613
you could also restructure the query to use not exists

e.g.

select count(*)
 from a
 where not exists (select * from b
    where a.primary key = b.primary key)
0

Featured Post

Microsoft Certification Exam 74-409

Veeam® is happy to provide the Microsoft community with a study guide prepared by MVP and MCT, Orin Thomas. This guide will take you through each of the exam objectives, helping you to prepare for and pass the examination.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A company’s centralized system that manages user data, security, and distributed resources is often a focus of criminal attention. Active Directory (AD) is no exception. In truth, it’s even more likely to be targeted due to the number of companies …
Recently, Microsoft released a best-practice guide for securing Active Directory. It's a whopping 300+ pages long. Those of us tasked with securing our company’s databases and systems would, ideally, have time to devote to learning the ins and outs…
Polish reports in Access so they look terrific. Take yourself to another level. Equations, Back Color, Alternate Back Color. Write easy VBA Code. Tighten space to use less pages. Launch report from a menu, considering criteria only when it is filled…
This is a high-level webinar that covers the history of enterprise open source database use. It addresses both the advantages companies see in using open source database technologies, as well as the fears and reservations they might have. In this…

624 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question