help1402

It's UWAweek 47

help1402

This forum is provided to promote discussion amongst students enrolled in CITS1402 Relational Database Management Systems.

Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!" followup message.

How do I ask a good question?

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UWA week 40 (2nd semester, week 10) ↓

SQL file 👍x1 (all 3)

1:19am Thu 3rd Oct, ANONYMOUS

Does the SQL file we submit have to have the INSERT INTO statements as well, or do we need to only submit the tables we created?

ER model change

9:52am Wed 2nd Oct, ANONYMOUS

Can we create links in the ER model, or can it not be changed

Invoice 👍x3 (both)

9:49am Wed 2nd Oct, ANONYMOUS

How do you represent finalcost in the logical model since it is a derived attribute. But it is in no way connected to the rental price or the days (since they are not primary keys of their own entities)

UWA week 37 (2nd semester, week 7) ↓

Relationship Data Dictionary (all 3)

3:01pm Wed 11th Sep, ANONYMOUS

So is the relationship name be like depot-vehicles?

Relationship Data Dictionary (all 3)

12:21pm Wed 11th Sep, ANONYMOUS

How is the relationship data dictionary different to the relationship-entity data dictionary, is it asking for the same information? For relationship name, is it like depot-vehicles. And what does it mean by aliases for relationships

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