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python Programming Glossary: fk

SQLAlchemy: Relation table with composite primary key

http://stackoverflow.com/questions/10525797/sqlalchemy-relation-table-with-composite-primary-key

ForeignKey s correct relationship configuration using the FKs Code workflows Table 'workflows' Base.metadata Column 'id'.. print ' ' 80 # test KO THIS SHOULD FAIL VIOLATING FK constraint a_11 get_action ac 11 a_22 get_action ac 22 a_11.children.append..

Best way to denormalize data in Django? [closed]

http://stackoverflow.com/questions/1100924/best-way-to-denormalize-data-in-django

Use a customized manager to do creates and maintain the FK relationships. The manager can update the counts as the sets..

adding the same object twice to a ManyToManyField

http://stackoverflow.com/questions/1417825/adding-the-same-object-twice-to-a-manytomanyfield

like this B.objects.filter a__name 'Test' As long as the FK fields on the intermediary model are not designated as unique.. will be able to create multiple instances with the same FKs. You can also attach additional information about the relationship..

How to use python win32com to save as excel file

http://stackoverflow.com/questions/1742471/how-to-use-python-win32com-to-save-as-excel-file

same format. How do I do that.. Any help will be great. FK python win32com share improve this question Here is a tutorial..

What is the best approach to change primary keys in an existing Django app?

http://stackoverflow.com/questions/2055784/what-is-the-best-approach-to-change-primary-keys-in-an-existing-django-app

Tables which depend on these tables will have their FK's changed you can either update the rows in place or it might.. cascaded to other tables to assure that the other table's FK's get changed also. Tables with FK's that change will have to.. that the other table's FK's get changed also. Tables with FK's that change will have to locate the row in the foreign table..

How do I access the child classes of an object in django without knowing the name of the child class?

http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam

An abstract base class that provides a ``real_type`` FK to ContentType. For use in trees of inherited models to be able.. make it reusable you could also put these methods and the FK directly onto the parent class in your particular inheritance..