I am trying to build an EER Model for a Autostore that has 5 locations and offers a range of auto products. They offer car repairs and roadworthy tests as a service also. I need to be able to make ...
Using tools available in SQL Server 2008 and Entity Framework, what is a solid way to represent a one-to-many relationship, where there is an underlying unique relation that I need to enforce? My ...
I have this person table as super parent, id firstname lastname email telephone ... ... and user table as a child id person_id (FK) password username screenname ... ... They must be 1:1 ...
Good afternoon, Are there differences between Oracle 10g and MySQL with the CREATE, ALTER, DROP, REF, PRIMARY KEY, FOREGIN KEY and attribute variable type keywords? The reason I ask, is I'm planning ...
Good morning, Using LaTeX or another text-macro tool/library, how can I use natural language text to describe relationships, then generate an Entity-Relationship Diagram and generate SQL DDL to ...