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Tom
  • Member for 9 years, 1 month
  • Last seen more than 4 years ago
22 votes
7 answers
27k views

Disadvantages of using a nullable foreign key instead of creating an intersection table

5 votes
1 answer
15k views

Dashed line in Crow's Foot notation

5 votes
3 answers
3k views

How to enforce the mandatory participation constraint at the many end in a one-to-many relationship?

4 votes
2 answers
1k views

What does "common interface" mean in OOP?

2 votes
4 answers
2k views

Why is an interface in Java called an "interface"?

2 votes
3 answers
770 views

When denormalizing a database, do I need to keep the parent tables?

2 votes
3 answers
308 views

Where to put the attributes of a relationship in a non many-to-many relationship?

1 vote
3 answers
696 views

Who guarantees the data integrity of a denormalized table, me or the DBMS?

1 vote
3 answers
83 views

Is this implementation for the “one” side of the relationship correct?

0 votes
2 answers
711 views

How to visualise Inheritance and Polymorphism?

0 votes
3 answers
206 views

Does the "one" side of the relationship also apply to the same record?