Cost of joins

From: Leonard, George <george.leonard_at_farnell.com>
Date: Mon, 07 Oct 2002 08:04:23 -0800
Message-ID: <F001.004E248A.20021007080423@fatcity.com>

Hi there

Can someone please give me in order of preference/cost the relevant costs for the different joins.

IE:

This join is cheap,
This is very expensive,
This is bad and always avoid.

George

---

George Leonard
Oracle Database Administrator
Dimension Data (Pty) Ltd
(Reg. No. 1987/006597/07)

Tel: (+27 11) 575 0573
Fax: (+27 11) 576 0573
E-mail:george.leonard_at_za.didata.com
Web: http://www.didata.co.za  

You Have The Obligation to Inform One Honestly of the risk, And As a Person You Are Committed to Educate Yourself to the Total Risk In Any Activity! Once Informed & Totally Aware of the Risk, Every Fool Has the Right to Kill or Injure Themselves as They See Fit!

-- 
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-- 
Author: Leonard, George
  INET: george.leonard_at_farnell.com

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Received on Mon Oct 07 2002 - 11:04:23 CDT