Get execution time of sql script in oracle sqlplus

Question

I have a script that i use to load my data into my tables in Oracle (by a list of insert statements). How can i get the execution time of the entire loading process? I have trie

Answer 1

Not sure why everybody is making it so complex. Simple as:

SQL> set timing on
SQL> select 1 from dual;

         1
----------
         1

1 row selected.

Elapsed: 00:00:00.00
SQL>