Best way to determine even/odd using SQL


I have two text fields in a table called STREET_NUMBER_FROM and STREET_NUMBER_TO that only have numerical characters, what is the fastest SQL method for determining if one or both of the fields represents an even or odd number?

Thanks and take care,
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

select decode(mod(STREET_NUMBER_FROM,2),1,'ODD',0,'EVEN','ERROR') from street_numbers

shaynegwAuthor Commented:

I made a mistake, there are characters in these fields, so I have to deal with values like 1A, 2B, 123C, etc. So I'll also need a method to filter out the characters before determining odd/even.

Take care,

if they are text use this

select decode(mod(to_number(STREET_NUMBER_FROM),2),1,'ODD',0,'EVEN','ERROR') from street_numbers

but that will only work if the data is numeric, so 123A will cause error ORA-01722: invalid number

select street_number_to,
           translate(lower(street_number_to),' abcdefghijklmnopqrstuvwxyz0123456789.-','                           0123456789.'),
           decode(mod(to_number(translate(lower(street_number_to),' abcdefghijklmnopqrstuvwxyz0123456789.-','                           0123456789') ),2) ,1,'odd',0,'even','error' )      from street_numbers


Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Oracle Database

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.