On 20 Jul 2008, at 01:02, Andy Lester wrote:

> http://jobs.perl.org/job/9236 says:
>
> * Experience working with SQL databases such as MySQL. You can do  
> multi-table joins in your head and know the difference between inner  
> and outer joins.
>
> Is that really such a big deal to find?  Are multi-table joins, and  
> the difference between inner & outer joins, that difficult for  
> programmers to understand that they must be specified in a job ad?

Yes.... yes they are...

Adrian