When do I need to use a semicolon vs a slash in Oracle SQL?

Question

We have been having some debate this week at my company as to how we should write our SQL scripts.

Background: Our database is Oracle 10g (upgrading to 11 soon).

Answer 1

I only use the forward slash once at the end of each script, to tell sqlplus that there is not more lines of code. In the middle of a script, I do not use a slash.