[Asterisk-Users] Re: OT : For the SQL gurus..
Reinhard Max
max at suse.de
Mon Nov 10 07:10:30 MST 2003
On Mon, 10 Nov 2003 at 14:55, Michael Bielicki wrote:
> Just as a tip you could do that with regex functions as well,
> omitting the quite costly length functions ..
Well, regular expressions can be costly as well, and it depends on the
DBMS implementation how costly length() is. If the actual length of a
text or varchar field is being stored anyways, length() can be
implemented in a rather cheap way.
cu
Reinhard
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