Re: column name can't include character '-'

your question is not clear, but it looks like you need to do research on expressions -- take some time reading the Oracle SQL Reference manual, and running some tests

you will find that oracle does not support derived columns in table definitions, but it does in views

;-{ mcs

"x" <x_at_x.hr> wrote in message news:c11pqa$u56$1_at_ls219.htnet.hr...
| IF you had a tale with columns
|
| a number
| b number
| a-b number
|
| what would return
|
| select a-b from x
|
| ?
|
|
Received on Thu Feb 19 2004 - 13:57:37 CET