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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?
36 articles posted by this person
Showing 36 of 684 articles.
Currently 8 other people reading this forum.


 UWA week 43 (2nd semester, study break) ↓
SVG not supported 1:11pm Tue 22nd Oct, Jichunyang L.

Hi, The exam materials on OneSearch are too old. Some concepts have been removed or updated. And this year s final exam format is different from exams in previous years. The practice exam on LMS is a good guide for your final exam. I strongly sugges...


SVG not supported 10:02am Tue 22nd Oct, Jichunyang L.

Hi, The exam materials on OneSearch are too old. Some concepts have been removed or updated. And this year s final exam format is different from exams in previous years. The practice exam on LMS is a good guide for your final exam. I strongly sugges...


 UWA week 41 (2nd semester, week 11) ↓
SVG not supported 11:01pm Sun 13th Oct, Jichunyang L.

Hi, The format of this year's final exam is different from the exam format available on Onesearch. A sample exam paper and its solution are available on LMS under Lecture notes slides Week 12 CITS1402 - Practice Exam - Solution - 2024 - Sem 2....


SVG not supported 2:54pm Sun 13th Oct, Jichunyang L.

Hi, You won't fail this unit, but according to the uni assessment policy, you will receive a late penalty for your Lab 4. For more details, please review this webpage https ipoint.uwa.edu.au app answers detail a id 2711 consequences-for-late-assi...


 UWA week 40 (2nd semester, week 10) ↓
SVG not supported 5:43pm Sat 5th Oct, Jichunyang L.

The reason you're not getting the correct answer is due to your format, not your SQL grammar. You need to ensure the error is in Line 12; otherwise, you won't get the expected result. A simple way to address this is by ensuring there are no blank lin...


 UWA week 39 (2nd semester, week 9) ↓
SVG not supported 2:40pm Thu 26th Sep, Jichunyang L.

Yes, as you need to create tables and organise data in project part 2. You will apply some concepts of normalisation during the process.


 UWA week 37 (2nd semester, week 7) ↓
SVG not supported 7:11pm Tue 10th Sep, Jichunyang L.

Hi, You don't need to buy the physical book, an e-book is sufficient.


SVG not supported 7:10pm Tue 10th Sep, Jichunyang L.

Hi, Please follow the same structure as the on in the case study.


SVG not supported 7:10pm Tue 10th Sep, Jichunyang L.

ANONYMOUS wrote PK and FK can be the same, but it is not a best practice. Can you find a better FK in your table? No. You can have your own decision. It can be blank.


SVG not supported 7:07pm Tue 10th Sep, Jichunyang L.

Hi, This question means "finding item ids that are either INK-RESIN or INK-WRSOL but not both in the po items table. I don't think you need to use 'job id'.


SVG not supported 4:31pm Mon 9th Sep, Jichunyang L.

Yes, you can have your own assumptions.


SVG not supported 4:30pm Mon 9th Sep, Jichunyang L.

You can include superclasses and subclasses separately in the workbook. You can use normal attributes as you mentioned above.


SVG not supported 4:00pm Mon 9th Sep, Jichunyang L.

Hi, Personally, I prefer the number of available hire cars in every depot. Kind regards,


 UWA week 35 (2nd semester, week 6) ↓
SVG not supported 9:56pm Tue 27th Aug, Jichunyang L.

Hi, The GROUP BY statement in SQL is used to arrange identical data into groups. This statement is often used with aggregate functions (like COUNT, SUM, MAX, MIN, AVG) to group the result-set by one or more columns. Here s what happens when you use ...


SVG not supported 9:34pm Tue 27th Aug, Jichunyang L.

Hi, You will sit in ARTS G58. Please search ARTS G58 via campus map (https www.uwa.edu.au contact-us campus-map)


SVG not supported 9:32pm Tue 27th Aug, Jichunyang L.

Hi, You can search Arts G58 via campus map (https www.uwa.edu.au contact-us campus-map)


SVG not supported 9:30pm Tue 27th Aug, Jichunyang L.

Hi, WTLTS is in Wilsmore Tattersall Lecture Theatres Building. Please search 210.G106 or 210.G108 via campus map (https www.uwa.edu.au contact-us campus-map)


SVG not supported 10:39am Tue 27th Aug, Jichunyang L.

Hi, There are 20 MCQs in the mid-semester test paper.


SVG not supported 11:19pm Mon 26th Aug, Jichunyang L.

Hi, Good thinking I think you can have 2 options Option 1 Retain "Make" as an independent entity if you anticipate adding more attributes to it in the future. This approach allows for extensibility but might introduce some redundancy in the curre...


SVG not supported 11:01pm Mon 26th Aug, Jichunyang L.

Hi, Maximum 2 students in a group.


SVG not supported 8:47am Mon 26th Aug, Jichunyang L.

Hi, No, you can work indvidually.


 UWA week 34 (2nd semester, week 5) ↓
SVG not supported 6:05pm Sun 25th Aug, Jichunyang L.

Hi, As a Level 1 unit, using the terminal helps students become more familiar with command line tools, which are widely used in professional environments. Many data-related jobs require proficiency in command-line interfaces, as they offer powerful an...


SVG not supported 10:23pm Tue 20th Aug, Jichunyang L.

I suggest you double-check the question's wording in the lab materials to ensure there's no misunderstanding.


SVG not supported 2:38pm Tue 20th Aug, Jichunyang L.

Hi, You can find them on https quiz.jinhong.org course view.php?id 27 section-3


SVG not supported 8:43pm Mon 19th Aug, Jichunyang L.

Thanks for spotting it.


SVG not supported
Cheatsheet 👍x1  (all 4)
3:12pm Mon 19th Aug, Jichunyang L.

Hi, This is an exam with NO permitted materials, including cheat sheets.


SVG not supported 9:28am Mon 19th Aug, Jichunyang L.

Could you check your SQLite query? The format for an update statement should be UPDATE table name SET date column 'new date' WHERE condition;


 UWA week 33 (2nd semester, week 4) ↓
SVG not supported
Lab 3 👍x3  (all 3)
10:53pm Tue 13th Aug, Jichunyang L.

Hi, Lab 3 will be released next week if there are no surprises. An announcement will be posted on LMS to remind you of the opening time for Lab 3.


SVG not supported 12:58pm Tue 13th Aug, Jichunyang L.

Hi, Format MCQs (I will guide you in the lecture how to fill an MCQs sheet). There will NOT be any short-answer long answer questions. Content - Theory Everything that we will cover till the Lecture in week 6 (26 Aug 2024). Topics include Introduc...


SVG not supported
 ✅ Regarding practicals 👍x3  (all 3)
1:28pm Mon 12th Aug, Jichunyang L.

Hi, All queries you submit will be tested with a SQLite environment. Most of the core SQLite commands behave according to the SQL standard, although there are some variations. Therefore, using MySQL may cause unexpected errors, which will deduct your ...


 UWA week 32 (2nd semester, week 3) ↓
SVG not supported 3:29pm Tue 6th Aug, Jichunyang L.

For example, if you meet this question, you should know how to calculate the answer.


SVG not supported 3:08pm Tue 6th Aug, Jichunyang L.

Hi, Please focus on the SQLite queries, but remember the logic behind the relational algebra operations.


SVG not supported 9:01pm Mon 5th Aug, Jichunyang L.

Hi, In SQLite3, is used to compare a column to a specific number or string. However, NULL is not a string in SQLite3. If you wang to handle NULL, you should use IS NULL and IS NOT NULL .


 UWA week 31 (2nd semester, week 2) ↓
SVG not supported 2:53pm Mon 29th Jul, Jichunyang L.

Are you using a Mac or Windows machine? If you are using a Mac, you don't need to download it. Since you didn't provide sufficient information here, I'm not sure which step you did wrong. Can you provide more information? Alternatively, you can atten...


SVG not supported 2:51pm Mon 29th Jul, Jichunyang L.

Please double-check the path for the destination directory, if you still can't solve the issue, please go to any lab to seek assistance this week.


 UWA week 30 (2nd semester, week 1) ↓
SVG not supported 8:52am Tue 23rd Jul, Jichunyang L.

In this case, we will prepare an alternative plan for students who have scheduling conflicts with other units or tests. More details will be released before the mid-semester test.

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