Oracle FAQ | Your Portal to the Oracle Knowledge Grid |
![]() |
![]() |
Home -> Community -> Mailing Lists -> Oracle-L -> Re: Performance aka. Table Joins
Excellent!
Thank you Wolfgang, for taking the time to build a test case and sharing it.
Jared
On 5/25/06, Wolfgang Breitling <breitliw_at_centrexcc.com> wrote:
>
> Several posters have made excellent comments about the use of number
> datatypes
> vs. character datatypes for columns that are, or may be, involved in
> joins.
> First off I want to say that join performance should be (one of) the last
> considerations in determining the datatype of a column. The datatype
> should
> first and foremost be appropriate for storing the intended content.
>
> In the other posts the predominant gist was
> a) test it
> b) numbers ought to have an edge as far as performance is concerned
>
> Now let me give you this testcase:
>
-- http://www.freelists.org/webpage/oracle-lReceived on Thu May 25 2006 - 11:18:59 CDT
![]() |
![]() |