On 05/21/2014 02:36 PM, William Salathiel wrote:
Mark Stanton <mark <at> vowleyfarm.co.uk> writes:
When I select the dBase connector it seems to say that queries cannot
contain more than one table.
Tekll me it's not true...
Mark Stanton
One small step for mankind...
Sorry but William is wrong. The dBase connector does not support
relational databases. Besides dBase uses its own method of defining
relationships that is not the standard use by most database engines. The
dBase connector is not able to provide Base with the information needed
to use the dBase's method when creating a query.
--Dan
Mark, it IS NOT TRUE. I have routinely used ~25 tables, and run queries
using 3 or more tables. I find it most useful to structure my queries using
the SQL command line rather than the "wizard", although it can be done using
the "wizard" also. I am running Linux, and I use PostgreSQL for my database
engine, and the Java JDBC Driver.
An example two table query is:
SELECT DISTINCT "VenIndLoc".*, "Products".* FROM
"All_IPO-wi_Industry_Location" AS "VenIndLoc", "wms"."Products" AS
"Products" WHERE "VenIndLoc"."CO_NAME" = "Products"."COMPANY" ORDER BY
"VenIndLoc"."CO_NAME" ASC, "VenIndLoc"."INVEST_NO" DESC
where the two tables used are "VenIndLoc" and "Products".
Hope that helps.
Cheers,
--Bill
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