You can look at the guide in the docs:

https://docs.djangoproject.com/en/1.11/howto/legacy-databases/

But as everyone will tell you; you need to have done a  basic tutorial 
first (official or otherwise*), otherwise all the jargon will be confusing.

After that, you can also look at areas such as:

https://docs.djangoproject.com/en/1.11/topics/db/queries/
and
https://docs.djangoproject.com/en/1.11/ref/models/expressions/

(* e.g. https://simpleisbetterthancomplex.com/series/)

On Thursday, 2 November 2017 13:18:18 UTC+2, jay seattle wrote:
>
> New to Django, coming from C# and I am totally confused how you pull data 
> from a database. I have a Postgres DB with a table "customer" created, but 
> have NO idea how to connect to it. I have read a bunch of stuff but they 
> all seem to work from the Model creation to database (migration), but if 
> the table is already created, I can't find detail what to do. 
>
> If I have a table called "customer" and want to pull the data into my 
> template, what should I read up on to accomplish this?
>
> Thanks
> Jay
>

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