On 03/01/2018 01:11 PM, marcelo wrote:
>
> On 01/03/2018 16:00 , Ron Johnson wrote:
[snip]
>> If your only unique index is a synthetic key, then you can insert the
>> same "business data" multiple times with different synthetic keys.
>>
>>
>> --
>> Angular momentum makes the world go 'round.
> IMHO, business logic can and must preclude "garbage insertion". Except you
> are inserting data directly to database using SQL, any n-tier architecture
> will be checking data validity.
Any n-tier architecture that's bug-free.
--
Angular momentum makes the world go 'round.