object-relational-model Questions

2

Solved

I have to use SQLalchemy Core expression to fetch objects because ORM can't do "update and returning". (the update in ORM doesn't has returning) from sqlalchemy import update class User(ORMBase): ...
Ytterbite asked 7/1, 2017 at 4:28

2

Solved

I have client table and client_address info table. I need to update both table when updating client.my model classes given below, class Client extends Model { public function addressInfo() { re...
Cryptic asked 28/2, 2015 at 15:39

2

Solved

I have been reading about database models and still do not understand what are the fundamental differences between object oriented and object relational models. I learned so far that object relati...
Ethnomusicology asked 15/6, 2014 at 23:41

2

Solved

I wonder, is it bad or good idea to use auto increment primary key as business entity identifier such as Partner Id or Account Number? Also, what pitfalls I can face if I'll choose that approach? ...
Relly asked 9/12, 2014 at 9:20

3

Solved

when doctrine builds model files for a table, it generates three files, essentially BaseModel.class.php, Model.class.php and ModelTable.class.php. Common knowledge requires that any modifications b...
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