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2 questions
5
votes
1
answer
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Payment methods conceptual and logical model
I need to create a conceptual and logical (normalized) models of parking house according to the requirements below. It looks to me as a very simple concept that doesn't need all tables to have ...
- 53
4
votes
1
answer
2k
views
Modelling Relationships in an E-R Diagram, Table or Foreign Key?
Should a relationship in an E-R diagram be created in the database as a table or a foreign key?
For example:
a tutor lectures a class
I see it as three possibilities:
there is a "lectures" table ...
- 1,093