Re: Interesting PL/SQL Puzzle

Carel-Jan Engel wrote:
 > It appears that the overhead caused by a 'call by reference' (in out)  > will cost you some extra time. The 'call by value' appears to be cheaper.

PL/SQL User's Guide and Reference Release 2 (9.2) 8 PL/SQL Subprograms
Summary of Subprogram Parameter Modes

IN OUT -- actual parameter is passed by value (a copy of the value is passed in and out) unless NOCOPY is specified.

> Whatsoever, it appears that the call by reference is more expensive than
> a call by value.

See above.

Regards,

-- 
Vladimir Begun
The statements and opinions expressed here are my own and
do not necessarily represent those of Oracle Corporation.

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Author: Vladimir Begun
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