Hi All,
Can anyone please explain to me the usage of foreign keys?
As I understand it, foreign keys are used to relate one table to another.
But, mysql (new version can?) cannot ensure that what's inputted is an
actual key in that other table.
What's the need for foreign keys then? If My insert statements are formatted
properly enough that I put in all the values as needed into the table,
myself ensuring that what I've inputted is actually already there in the
other table.
Cheers,
Mun Heng, Ow
H/M Engineering
Western Digital M'sia
DID : 03-7870 5168
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