kayamboo,
Wednesday, October 09, 2002, 8:45:39 AM, you wrote:

k> ALTER TABLE main_db ADD CONSTRAINT FOREIGN KEY( Code, Kana) REFERENCES
k> Syoyu_db( Code, Kana) ON DELETE CASCADE ;

k> works fine.

k> But how to drop the constraint or modify the constraint ?
k> Simply changing ADD to DROP or MODIFY throws errors

Curretly you can't drop only foreign key constarints. You should
re-create a table.



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