We help IT Professionals succeed at work.

Need help with multiple table join

edrz01
edrz01 asked
on
187 Views
Last Modified: 2012-05-11
I need a query to read data from 3 tables

Table 1 – EOC_Orion (Need OrionID, Name) – Unique data
Table 2 – EOC_Node (Need Caption) – Each node will be identified by OrionID and NodeID
Table 3 – EOC_Volume (Need Caption, PercentUsed) -

The query needs to basically get volume data (from EOC_Volume) for each node (EOC_Node) and include the name from the Orion (EOC_Orion)

Sample data
EOC_Orion
      OrionID      Name
      12      Salem
      13      Mobile
      14      Portland

EOC_Node
      OrionID      NodeID      Caption
      12      123      Howdy
      12      129      Doody
      13      15      Zipper
      13      123      Zinger
      13      210      Zapper
      14      123      Alpine

EOC_Volume
      OrionID      NodeID      Caption      PercentUsed
      12      123      C:\      80%
      12      129      C:\      54%
      13      15      D:\      49%
      13      123      C:\      63%
      13      210      C:\      79%
      14      123      C:\      85%
      14      123      D:\      97%

Desired Results

Salem      Howdy      C:\      80%
Salem      Doody      C:\      54%
Mobile      Zipper      D:\      49%
Mobile      Zinger      C:\      63%
Mobile      Zapper      C:\      79%
Portland      Alpine      C:\      85%
Portland      Alpine      D:\      97%

A node caption is identified in the EOC_Node table by OrionID and NodeID. The NodeID can actually be duplicated as long its OrionID is unique.
In the EOC_Volume table

Basically what I want to do is get the name contained in the EOC_Orion table (based on OrionID) and the caption contained in the EOC_Node (based on OrionID and NodeID) for each volume in EOC_volume.

So my original EOC_Volume table looks like

OrionID      NodeID      VolumeID      Caption      
12      123      15      C:\            
12      129      16      C:\            
Comment
Watch Question

Commented:
This one is on us!
(Get your first solution completely free - no credit card required)
UNLOCK SOLUTION

Author

Commented:
Thank you for the FAST reply. It was dead on and worked like a champ!

Commented:
you are very welcome

glad I could help

Gain unlimited access to on-demand training courses with an Experts Exchange subscription.

Get Access
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Empower Your Career
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE

Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Unlock the solution to this question.
Join our community and discover your potential

Experts Exchange is the only place where you can interact directly with leading experts in the technology field. Become a member today and access the collective knowledge of thousands of technology experts.

*This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

OR

Please enter a first name

Please enter a last name

8+ characters (letters, numbers, and a symbol)

By clicking, you agree to the Terms of Use and Privacy Policy.