Re: Fastest way to get table records' number

From: Date: Wed, 19 Mar 2008 14:53:25 +0000
Subject: Re: Fastest way to get table records' number
References: 1 2 3 4  Groups: php.general 
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At 10:35 AM -0400 3/19/08, Nathan Nobbe wrote:
On Wed, Mar 19, 2008 at 9:42 AM, Andrew Ballard <aballard@gmail.com> wrote:
That works; I'm just wondering why you went with a count on an 'ID' column rather than COUNT(*).
ouch, it looks like im horribly wrong :O mysql> select count(*) from table; +----------+ | count(*) | +----------+ | 361724 | +----------+ 1 row in set (0.90 sec) mysql> select count(id) from table; +------------+ | count(did) | +------------+
|     361724 |
+------------+ 1 row in set (4.56 sec) -nathan
That surprised me as well. I thought that (*) meant "look up everything" and would have figured that (id) would have been quicker. Cheers, tedd -- ------- http://sperling.com http://ancientstones.com http://earthstones.com

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