Create? Or? Replace? Function? testFunc？ (num 1？ Are you online? Number,? num2？ Are you online? Numbers, num3 Are you online? Number)?
Return? varchar2
As?
Start?
What if? num 1+num 2 & gt； ? num3？ then what
Return? Yes'; ?
Or what?
Return? "no";
End? If;
End; ?
-Use the function
Choice? testFunc？ (3,4,5)? From where? double