Re: SQL combine to summations queries?
| From: | Tom Carter | Date: | Thu, 06 Sep 2001 15:55:23 +0000 |
| Subject: | Re: SQL combine to summations queries? | ||
| References: | 1 2 3 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-12227@lists.php.net to get a copy of this message | ||
> Hello,
>
> I don't understand the following, who can help?
>
> I have got two queries:
> SELECT SUM(fielda) FROM table1
> and
> SELECT SUM(fieldb) FROM table2
>
> I thought this would be the same as:
> SELECT SUM(fielda.table1),SUM(fieldb.table2) FROM table1, table2.
> But, itn't, why?
I think you mean table1.fielda rather than fielda.table1.
> Tnx,
>
> Bas Jobsen
>
>
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