thank you all for the useful information =D
On Wed, Jun 20, 2012 at 1:39 PM, Alan Hodgson wrote:
> On Wednesday, June 20, 2012 01:10:03 PM Sam Z J wrote:
> > Hi all
> >
> > I'm curious how is wildcards at both ends implemented, e.g. LIKE '%str%'
> > How
Hi all
I'm curious how is wildcards at both ends implemented, e.g. LIKE '%str%'
How efficient is it if that's the only search criteria against a large
table? how much does indexing the column help and roughly how much more
space is needed for the index?
if the answers are too long, please point m
