top 10 free windows downloads

http://lifehacker.com/software/windows/lh-top-10--free-windows-downloads-248303.php

10. 7-Zip (file archive manager)

9. Foxit Reader (PDF reader)

8. SyncBack (backup utility)

7. Picasa (photo manager)

6. Notepad++ (text editor)

5. foobar2000 (media player)

4. GAIM (instant messenger)

3. Paint.NET (image editor)

2. Launchy (keyboard launcher)

1. Mozilla Firefox (web browser)

Oracle SQL*plus commands

SQL*plus command:

DESCRIBE - lists the attributes of tables or objects
LIST - display contents of SQL buffer
EDIT - places you in an editor
RUN - list and run command (short: / )
DEFINE - declare a variable

oracle stored procedure

create or replace function func1 (f in number default 0)
return number is
begin
return round(f-32)*(5/9),0);
end;
/