COMP1011: Database Systems Administration - Design an Enterprise Data Model - Computer Science Assignment Help

Assignment Task:

Module Learning Outcomes
The following LOs are achieved by the student by completing the assignment successfully
1. Create and maintain a database server
2. Design an enterprise data model that incorporates all of the data used by an organisation's business processes
3. Manage database network (client/ server) connections using Database Net Services

Assignment Objective
As a Database Administrator, to configure the database server, choose and apply skills relevant client/server environment and manage the data in an organization’s business processes.

Assignment Tasks

1. Submit a work proposal for this assignment on or before 16/08/2020, 23:59 Hrs. which must include: 

• Understanding of deliverables – a detail description of deliverables. 

• General overview of proposed plan - initial understanding of solution to task2 to task-4. 

• Timeline for completion of the given tasks. 

The work proposal must be submitted in a word file through the Turnitin link available in Moodle. 

2. “An instance, or database instance, is the combination of memory and processes that are a part of a running installation and a database is a set of files that store data”. 

In the view of above statement, critically discuss all kinds of Oracle Database Instance Architecture. Your discussion must include Oracle Database instances, Memory and process architecture and finally Application & Networking Architecture. 

3. “The Optimal Flexible Architecture standard helps you to organize database software and configure databases to allow multiple databases, of different versions, owned by different users to coexist” In view of the above statement, as a Database Administrator, provide appropriate SQL queries for the following. Ensure to follow Optimal Flexible Architecture (OFA) guidelines. SQL commands should be executed and keep the codes as “Text-Only” and “Screen-Shots” in the report. 

i. Create a tablespace with at least two optional features. (5 Marks ) 

ii. Create a user and assign the tablespace created above. Assign all of the privileges to execute the following SQL commands. 

iii. Assume that, you are design a database for MEC Library and you are focusing on mainly the design of two tables “Books” and “Borrow_Books”, in which the first table could record all the details of a book and the second one records the details of the books borrowed by the users. Each Table must have minimum of 8 or more columns. 

Please ensure the following when you design the table aforementioned: 

• Apply all kinds of data type wherever appropriate, a minimum of four different datatypes to be use when you create it. 

• Apply all kinds of constraints including integrity constraints

iv. Insert 2 ROWS of data on EACH table.

4. “A distributed database system allows applications to access data from local and remote databases”. In the view of above statement, critically discuss and differentiate the Homogenous, Heterogeneous Distributed database and Client-Server Database Architecture.

Rules & Regulations:

• All resources should be included in the references and cited using CU Harvard style.
• The final assignment must have a Title page, Table of Contents, References/ bibliography using CU Harvard Style and page numbers.
• Title Page must have Assignment Name, Module name, Session, your name, ID, and the name of the faculty.
• Softcopy in word format is to be submitted through Turnitin link on Moodle.
• Viva will be conducted after the assignment submission as per the dates informed earlier.

Assignment must be computer typed.

• Font - Times New Roman
• Font – Style - Regular
• Font - Size - 12
• Heading should be with Font Size 14, Bold, Capital and Underline.
• Explain with suitable diagrams wherever required. Diagrams must be drawn using suitable software or by pencil.
• Each student has to do the assignment individually.
• You can refer books in eLibrary or use internet resource. But you should not cut and paste material from internet nor provide photocopied material from books. The assignment answers should be in your own words after understanding the matter from the above resources.
• Code should not be copy and paste from other resources

Important Policies to be followed
1. Student Academic Integrity Policy*:
MEC upholds the spirit of academic integrity in all forms of academic work and any form of violation of academic integrity shall invite severe penalty. Any benefit obtained by indulging in the act of violation of academic integrity shall be cancelled.
All cases of violation of academic integrity on the part of the student shall fall under any of the below mentioned categories:
1. Plagiarism
2. Malpractice
3. Ghost Writing
4. Collusion
5. Other cases

If the student fails a module and has a proven case of academic integrity violation in this module, the student is required to re-register the module. This is applicable to first and second offenders of plagiarism.

1. Plagiarism
A. First offence of plagiarism
I. If a student is caught first time in an act of plagiarism during his/her course of study in any assignment other than project work, the student will be allowed to re-submit the assignment once, within a maximum period of one week. However, a penalty of deduction of 25% of the marks obtained for the resubmitted work will be imposed.
II. Period of re-submission: The student will have to re-submit the work one week from the date he or she is advised to re-submit.
III. If the re-submitted work is also found to be plagiarized, then that assessment will be awarded a zero mark. Re-submission of the work beyond the maximum period of one week will not be accepted and the assessment will be awarded a zero mark.

B. Second offence of plagiarism
If any student is caught second time in an act of plagiarism during his/her course of study (in a subsequent semester), the student will directly be awarded zero for the work in which plagiarism is detected. In such cases, the student will not be allowed to resubmit the work. A warning of suspension shall be issued, and student has to sign an undertaking and undergo counselling session in such cases.

2. Malpractice/Ghostwriting/Collusion
A. First offence of Malpractice/Ghostwriting/Collusion
If a student is caught in an act of Malpractice/Ghostwriting/Collusion for an assessment component irrespective of coursework or end semester, the student shall fail the module and shall be required to re-register the module
B. Second Offence of Malpractice/Ghostwriting/Collusion
If a student is caught a second time in an act of Malpractice/Ghostwriting/Collusion for an assessment component irrespective of coursework or end semester, the student shall fail the module. A warning of suspension shall be issued, and student has to sign an undertaking and undergo counselling session in such cases.

3. Third Offence of Academic Integrity Violation
If a student is caught a third time in an act of Academic Integrity Violation for an assessment component irrespective of coursework or end semester (in a subsequent semester), the student shall fail the module and also shall be suspended for one semester from the College, as recommended by institutional level academic committee, Chaired by the Associate Dean, Academic Affairs.

4. Fourth Offence of Academic Integrity Violation:
If a student is caught a fourth time in an act of Academic Integrity Violation for an assessment component irrespective of coursework or end semester (in a subsequent semester), the student shall fail the module and also shall be expelled from the College, as recommended by institutional level academic committee, Chaired by the Associate Dean, Academic Affairs.

5. Other cases
If a student commits an act of academic integrity violation as per the definition of “other cases” mentioned in the previous section or of a different nature, student’s case shall be forwarded to an institutional level academic committee, Chaired by the Associate Dean, Academic Affairs. The committee shall investigate the case by means of a viva and/or a disciplinary hearing and shall take appropriate decision. The penalty that can be granted to a proven case of academic integrity
violation which falls in this category of “other cases” can be a warning/component zero/ module fail/suspension/expulsion depending on the nature and gravity of the offence.

6. Types/Variations of Cases:
I. If plagiarism is detected in any component of one assessment, the deduction in marks will be applicable for the whole assessment, even if only the component or part submission alone needs to be resubmitted.
II. If plagiarism is detected in a group assessment, all students of the group will be considered as having committed an act of plagiarism and the policy will then be applied to all students
III. If plagiarism is detected in any component of a group assessment, the deduction in marks will be applicable for the whole assessment even if only the component or part submission alone needs to be resubmitted.
All students of the group would be considered as having committed an act of plagiarism and the policy will then be applied to all the students of the group.
IV. If the assessment consists of components or part submissions that could be a group assessment component (e.g. group assignment) and an individual assessment component (e.g. individual reflection), the following will be applicable:
a. If plagiarism is detected in the group assessment component, all students of the group will be considered as having committed an act of plagiarism, The policy will then be applied to all students of the group. Group assessment component will be resubmitted as per the policy.
b. If plagiarism is detected in the individual assessment component, the individual assessment component will be resubmitted and the policy will then be applied to that student alone.
c. For both (a) and/or (b), the deduction in marks will be applicable for the whole assessment.
* for further details Refer to MEC Student Academic Integrity Policy in Student Handbook.

2. Late Submission Regulations: 

It is the students’ responsibility to check all relevant timelines related to assessments. 

As per the Assessment Policy at MEC, late submissions are allowed for one week (5 working days) for all UG modules with a penalty. In such cases, a deduction of 5% of the marks obtained for the submitted work shall be imposed for each working day following the last date of submission till the date of actual submission. Assessment documents submitted beyond a period of one week (5 working days) after the last date of submission will not be accepted and will be awarded a zero for that assessment. In cases where the submission has been delayed due to extenuating circumstances, the student may be permitted to submit the work without imposing the late submission policy stated above. The extended period of submission will be one week from the original last date of submission. In such cases, the student is expected to submit the supporting certificates on or before the original last date of submission of the assessment and the decision of extension rests with faculty responsible for the assessment. The late submission policy shall be applied if the student fails to submit the work within one week of the original last date of submission. 

Students may contact their teachers for clarification on specific details of the submission time if required. 

3. Research Ethics and Biosafety Policy 

To protect and respect the rights, dignity, health, safety, and privacy of research subjects involved including the welfare of animals and the integrity of environment, all student projects are expected to be undertaken as per the MEC Research Ethics and Biosafety Policy. Accordingly the following shall apply. 

• Research and other enterprise activities shall be conducted by maintaining the high ethical standards consistent with national and international standards and conventions. 

• Any research at MEC that is categorized as high-risk research shall be subject to review and approval by the Research Ethics and Biosafety Committee. 

• Research activities involving collection of human or animal tissues and manipulation of microbial, animal or plant cells shall be subject to review and approval by the Research Ethics and Biosafety Committee. 

• Participants involved in research must be informed about the purpose of research and intended uses of research findings. Written consent must be obtained from people involved prior to the commencement of research. 

• Data obtained from participants must be treated with high confidence and should be used only for the intended purpose of research.

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