On 15 December 2010 11:23, venkat <ven.tammin...@gmail.com> wrote: > Dear All, > > How do i convert string to int > > select SUM(pan_1) from customers1 where name='101' > > When i run the above query i m getting "function sum(character varying) > does not exist".. > > Please anyone can guide me.. > > Thanks > > > select SUM(pan_1::integer) from customers1 where name='101'
but this will work only if for all rows you can convert this field to integer regards Szymon Guz