>> Using a count makes that query completely useless. It
>> can't be reused,
>>nor does it return anything of relevance. Which means its
>>sole purpose
> is >to bring back a single number...

> What?!  A dba will laugh his or her ass off if he/she
> heard this.

> Select count(*) from table versus select * from table
> makes a big
> difference when you have thousands of records, if all you
> need is a
> record count.

I rather expected that he does a lot of in-memory caching of data...
and/or cachedwithin queries... which... if that's the case, then yes,
in that case, "select * from table" is probably _MUCH_ more
mechanically efficient than repeated queries for "select count(*) from
table".


s. isaac dealey   954.522.6080
new epoch : isn't it time for a change?

add features without fixtures with
the onTap open source framework

http://www.fusiontap.com
http://coldfusion.sys-con.com/author/4806Dealey.htm




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