Which "select " is fast,thanks....... ?
| From: | 張峰銘 | Date: | Sat, 16 Mar 2002 15:03:48 +0000 |
| Subject: | Which "select " is fast,thanks....... ? | ||
| Groups: | php.db | ||
| Request: | Send a blank email to php-db+get-17714@lists.php.net to get a copy of this message | ||
Hi,all friends:
Would you please tell me which script in MySQL is fast?
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1. select count(*) from bk_data
2. select count(book_name) from bk_data
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PS. I have 13000 book records in this table.....
Fongming from Taiwan, thanks