Re: efficiency of wildcards at both ends

Em 20/06/2012 15:03, John R Pierce escreveu:
> On 06/20/12 10:37 AM, Edson Richter wrote:
>>
>> select * from tb1
>>   where nome like 'CARLOS%' or reverse(nome) like reverse('%CARLOS')
>>
>> Should return same results as
>> select * from tb1
>>   where nome like '%CARLOS%'
>
> no, that won't match 'abcCARLOSxyx'
>
>
>
Perfect. I did not realized this case.

Thanks,

Edson.