Yes, thanks, that should work!
On 04/21/10 12:20 AM, David Van Couvering wrote:Hi David,
> I have two tables with columns a,b that together comprise the primary
> In Oracle I can do something like DELETE FROM FOO WHERE (a, b) IN
> (SELECT a, b FROM BAR WHERE MODIFIED = 1)
> but in Derby this gives me a syntax error saying Error: Syntax error:
> Encountered "," at line 1, column XX.
> The documentation for "IN" also suggests that the subquery can only
> return a single column.
> How would I do this, when my tables have a multi-column primary key
> like above?
Would this work?
DELETE FROM FOO WHERE EXISTS
(SELECT * FROM BAR WHERE MODIFIED = 1
AND BAR.A = FOO.A AND BAR.B = FOO.B)