Tagged Questions

1
vote
2answers
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Foreign Key constraint on fixed value field - Ever appropriate?

I have a short (15 rows) look-up table that lists the valid values for several columns in the database. I don't think it can be considered a One-True-Lookup-Table, it is about a single definite ...
0
votes
1answer
28 views

Check for records that break a foreign constraint (created with foreign_key_checks = 0)?

Is there an easy way to check for any records in a table that breaks any constraint? The constraint was created on a populated table using "foreign_key_checks=0".
0
votes
2answers
146 views

How to model a 1..1 Composition Relationship

We have a couple of entities/relationships of the following kind: Entity Event has a TimePoint The TimePoint contains time information about the event. It belongs to that event and cannot be used by ...