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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Currently 7 other people reading this forum.

UWA week 39 (2nd semester, week 9) ↓

MIDTERM MARK (all 10)

4:00pm Mon 23rd Sep, ANONYMOUS

in announcement.

UWA week 38 (2nd semester, week 8) ↓

Where is the mid exam results? 👍x1 (all 4)

4:25pm Sun 22nd Sep, ANONYMOUS

It has been uploaded. However, according to this answer sheet, my marks should have been 2 marks higher than what I received. Did you receive the right mark according to this answer sheet?

UWA week 36 (2nd semester, mid-semester break) ↓

lab4 question 3 (all 5)

8:36pm Fri 6th Sep, ANONYMOUS

could you give a hint why we need to use GROUP BY ?

lab4 question 3 (all 5)

6:45pm Fri 6th Sep, ANONYMOUS

Hi, Lab4 Q3 states "Hint use a subquery to calculate the average quantity, you will need to use HAVING also (this is because in SQL the WHERE is applied before GROUP BY, meaning it cannot reference aggregate functions such as an average)" To get the ex...

UWA week 35 (2nd semester, week 6) ↓

Fan trap and Chasm Trap (all 3)

5:06pm Thu 29th Aug, ANONYMOUS

What is the best way to identify fan trap and chasm trap in ER diagram early in the conceptual modelling designing stage? Do I have to draw semantic net with some possible data to be able to identify it?

ER diagrame notation (all 4)

2:52pm Thu 29th Aug, ANONYMOUS

Thanks. Ovals are not used in UML notation right?

ER diagrame notation (all 4)

2:13pm Thu 29th Aug, ANONYMOUS

Hi , I just wanted some clarification. For this unit, we are only using EML notation for ER diagram right? In EML notation, do we use diamond shape ? I saw in lecture slides where ternary relationship is presented in diamond shape. Thanks

Mid-term exam Mock Question No 10 👍x2 (all 7)

4:53pm Wed 28th Aug, ANONYMOUS

Thanks. Question 10 is the same as worksheet2 question 2. Which has been discussed on help forum.

How many questions will be in the mid-exam? (both)

5:53pm Mon 26th Aug, ANONYMOUS

How many MCQ questions will be in the mid-exam?

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