Tony Marston wrote:
Certainly in some instances then managing everything in code makes sense.
Cross database working for instance. So everything works the same for each
engine. But the main advantage of adding constraints in the database is that
it protects the foreign entries from being deleted
"Lester Caine" wrote in message news:51d6987c.9050...@lsces.co.uk...
Tony Marston wrote:
I was designing and building database applications before relational
databases
became popular, and in those old hierarchical and network databases there
were
no such things as foreign key constraints. Dat
Tony Marston wrote:
I was designing and building database applications before relational databases
became popular, and in those old hierarchical and network databases there were
no such things as foreign key constraints. Database integrity had to be handled
in the code, which is what we did. When
"Tamara Temple" wrote in message
news:557a0092-2b7d-49f4-ae3d-593968dd3...@gmail.com...
On Jul 4, 2013, at 8:02 AM, Jim Giner wrote:
On 7/4/2013 6:42 AM, Richard Quadling wrote:
Hi.
I've just had a conversation regarding DB, foreign keys and their
benefits.
I was told "I've never worke
On Thu, Jul 4, 2013 at 4:20 PM, Tamara Temple wrote:
>
> On Jul 4, 2013, at 8:02 AM, Jim Giner
> wrote:
>
> > On 7/4/2013 6:42 AM, Richard Quadling wrote:
> >> Hi.
> >>
> >> I've just had a conversation regarding DB, foreign keys and their
> benefits.
> >>
> >> I was told "I've never worked on a
On Jul 4, 2013, at 8:02 AM, Jim Giner wrote:
> On 7/4/2013 6:42 AM, Richard Quadling wrote:
>> Hi.
>>
>> I've just had a conversation regarding DB, foreign keys and their benefits.
>>
>> I was told "I've never worked on a web application where foreign keys were
>> used in the database".
>>
>>
I think it depends on the application.
A lot of small web apps simply don't need any kind of normalization, and it
really does make sense to put everything in one table, or a couple of
unlinked tables. Therefore, on those apps, there's no need for foreign
keys. For instance: I used one in-house
Richard Quadling wrote:
Is there a difference in those in 'startups' and web only situations, or
those doing more traditional development (split that as you like - I'm just
trying to get an understanding and not go off on one!).
Depends if you consider MySQL is any use as a real database :)
Bui
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