On 01/03/2018 16:42 , Ron Johnson wrote:
> 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.
>
Do you know about unit testing?
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