Change table field lenght with Full user licence?

Hi experts,

Is it possible to change table field length in developing environment.For example in customer field change address field length to 100.
Our client have full user licence and want change length of the fields.

Any solution will helpful.


Actually i get this error when make changes

“Either the callerdoes not have the required permision or the specifies path is read only.”

Please read this blog and decide to move further or not

Thanks for reply and for link.But I just want to know that is it possible to do this with “Full user licence”.