[ale] any SQL gurus?

Jeff Tillotson ale at jeffx.com
Wed Jan 21 10:44:23 EST 2004


Not a SQL guru but wouldn't this work:

SELECT COPY.owner COPY.title_key TITLE.name from TITLE COPY where 
TITLE.title_key = COPY.title_key order by COPY.owner;

This is not tested so....

Hope this helps.

On Jan 21, 2004, at 10:19 AM, Jason Etheridge wrote:

> Hi guys, this has been driving me nuts and maybe you would enjoy 
> figuring it out. :)
>
> I have two tables: TITLE and COPY.  There is a one-to-many 
> relationship between the two; for any given title, there could be many 
> copies.  Copies have owners, but titles don't belong to anyone.
>
> 	table TITLE:
> 		field title_key	PRIMARY KEY
> 		field name	CHAR
> 	table COPY:
> 		field copy_key	PRIMARY KEY
> 		field title_key	FOREIGN KEY
> 		field owner	CHAR
>
> However, owners would like a list of what titles they happen to have 
> copies for.  I can do this through brute-force with a programming 
> language, but is there a single SQL query I could use?  Specifically, 
> MySQL (I don't have sub-selects)?
>
> I'm sure this is simple and obvious and I'll feel like more of an 
> idiot later.  *8)
>
> Thanks,
> Jason
>
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