Re: Help: SQL query optimizer

Posted in 1993

Dave Kosenko — 26 Mar 93 18:24:48 GMT — source: Informix-list mailing list archive (1991-1998)

In article <billd.733006990@cheetah>, billd@informix.com (William Daul) writes: |> |> From: Spring 1987 TechNotes |> |> Query Optimization |> ================== |> Uh, Bill? This article is on the Rule-Based optimizer, which we have not used since 1989 (the 4.0 release of products). Note to all c.d.i readers: the article posted does not apply to 4.0 and later releases of Informix products, where our Cost-Based optimizer was implemented. Dave