Cource Registration System

8/6/2019 Cource Registration System

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College course registration System ER model

For the sake of simplicity, we assume that id's of all people involved, be it students, instructors,TA's, or LA's are unique; e.g. we cannot have a student with student id 17 and an instructor withinstructor id 17.

Create an ER model for a database for a college to deal withstudent course registrations. Any name in the model, be it nameof an entity or an attribute or a relationship, that is not self-

explanatory, must be explained in the notes at the bottom of each page or at the end of the model. Thus, if a course has a titleand the attribute is called Title , you do not need to explain it.However if you call it Titulek , you had better explain it in thenotes (BTW titulek is Czech for title , if you wandered). For thesake of simplicity, we assume that id's of all people involved, beit students, instructors, TA's, or LA's are unique; e.g. we cannothave a student with student id 17 and an instructor withinstructor id 17.

All study programmes in the college take 4 years. In thefollowing unique means unique within our system we aredesigning .

Each course has a unique designation, title, description, year (inwhich year of study the course is to be taken, for instance 2 nd year course), and classroom. A course can have no or manytutorial sections, and no or many lab sections. Each course istaught by exactly one instructor. Each instructor has a unique id,name, departmental affiliation, office room, phone extension,and a unique email address. Each student has a unique id, name,


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and the year of his/her study. A student cannot be an instructor.A course can have zero or many tutorial sections unique to thecourse (i.e. tutorial sections are not shared by different courses).

Each tutorial section has exactly one TA assigned. A TA cantutor more than one tutorial section for the same course, and anynumber of tutorials for different courses. A TA cannot be aninstructor, however a student can work as a TA (in that casehis/her student id is used as TA id). A course can have zero or many lab sections unique to the course (i.e. lab sections are notshared by different courses). Each lab section has exactly oneLA assigned. An LA can oversee more than one lab section for the same course, and any number of labs for different courses.An LA cannot be an instructor, however a student can work as aLA (in which case his/her student id is used as the LA id). Infact, a student can work as a TA and an LA simultaneously.Thus, a TA may or may not be a student, an LA may or may not

be a student. A person can work as both, a TA and an LA. TAhas the same attributes as instructor, the same goes for LA.

Each course has 0 to many courses designated as its prerequisites and zero to many courses designated s itsantirequisites. Prerequisite courses are of the same or lower year, antirequisite courses are of the same year. In the system wekeep information of what courses a student has taken and whatcourses the student is registering. All courses are either Pass or Fail. A student can register a course only if he/she has passed allthe prerequisites and has not passed any or is not registered inany of the antirequisites. A student can only register a course of the appropriate year, i.e. a student in year X of study can onlyregister and take courses of year X.


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Y our task is to provide a ER model for a database for the abovesystem. Some of the aspects of the informal description of thesystem to be designed will not be reflected in your ER model. At

the end of the model, in writing, you must identify which of theaspects of the description are not captured in your model. Of course, you must strive for as complete model as possible.

ER model 1 : fewer tables, easier to work with, does not modelas much as model 2

ER model 2 : more tables, harder to work with, models almost

everything required

College course registration System relationalmodel, db2 schema, data entry, and interactivequeries

The task is to create a relational model based on the ER-model,

a db2 schema script, the database will be populate by a script,and queried by a csript (the 7 queries are described below), andfinally the database will be deleted by a script.

Datatypes required:

1. course designation : char(5) 2. course title : char(30) 3. course description : char(150) 4. course classroom : char(5) 5. course status : char(1) 6. instructor/TA/LA/student id : char(7) 7. department affiliation : char(4) 8. instructor/TA/LA room : char(5)


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9 . instructor/TA/LA extension : char(5) 10. instructor/TA/LA email : char(20) 11. student year : integer

12. course year : integer 13. tutorial/lab section : integer

14. tutorial classroom : char(5) 15. lab labroom : char(5)

The data to be entered (the values are designed so that they can be created in a word processor as easily as possible): we havealtogether 60 different people in the system

they have id's ranging from '0000001' to '0000060'. A personwith id '00000x' has name 'PERSONx'. Persons with id's 1- 10,22-24, 28-2 9 are TA's, persons 8-16, 25-2 9 are LA's, persons17-21 are instructors, persons 22-30 are students in year 4,

persons 31-40 are students in year 3, persons 41-50 are studentsin year 2, and 51-60 are students in year 1. Everyinstructor/TA/LA has as departmental affiliation 'CAS', hasemail 'ex@cas ' where x is the id (i.e. e1.@cas for person with id'0000001'). All instructors have distinct extension, the first hasextension '12345' the next '12346' etc. The first two instructorsare in room 'IT67' the next three in separate rooms 'IT68' ..'IT70'. The first 5 TA/LA's are in rooms 'IT71a', 'IT71b' ...'IT71e' and have the same extension '12350'. The next fiveTA/LA's are in rooms 'IT72a', 'IT72b' ... 'IT72e' with extension'12351'. The next three TA/LA's are in rooms 'IT73a'..'IT73c'with extension '12352'. The next three TA/LA's are in rooms'IT74a'..'IT74c' with extension '12353'. The next five TA/LA'sare in rooms 'IT75a'..'IT75e' with extension '12354'. The nextthree TA/LA's are in rooms 'IT76a'..'IT76c' with extension'12355' .


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Every course has designation 'CSCx' where x is 1..16, and title'COMPUTER SCIENCE COURSE x', and description 'x..course in cs' (x.. stands for 1st, 2nd, 3rd, 4th ... 16th), and room

'IT-x' (i.e. 'IT-1'.. 'IT-16'). The first 4 courses are year 1 courses,the next 4 courses are year 2 courses, the next 4 courses are year 3 courses, and finally, the last 4 courses are year 4 courses. Prerequisites: 1->3, (CSC1 is a prerequisite for CSC3), 2->4, 3->6, 4->5, 6->7, 5->7, 5->8, 6-> 9 , 5->10, 9 ->12, 10->11, 11->15,11->16,12->15,12->16,13->15,13->16,14->15,14->16 Antirequisites: 1->2 (CSC1 is an antirequisite for CSC2), 2->1,3->4, 4->3, 9 ->10, 10-> 9 , 11->12, 12->11, 13->15, 15->13, 14->16, 16->14

CSC1..CSC4 have 2 section labs in room 'LABx' (e.g. CSC1 hastwo lab sections in LAB1), CSC5..CSC8 have 1 section labs inrooms 'LAB1' .. 'LAB4' (e.g. CSC5 has single lab section inLAB1), CSC1..CSC4 have 3 section tutorials in rooms'TUT1' and 'TUT2' (CSC1 in TUT1, CSC2 in TUT2, CSC3 inTUT1 ..., the tutorial rooms alternate), CSC5..CSC16 have 1tutorial section in 'TUT1' or 'TUT2' (the tutorial rooms keepalternating).

Assignment of TA's to tutorials: (course, section, TA's id) ('CSC1',1,'0000001'),('CSC1',2,'0000002'),('CSC1',3,'0000003'),('CSC2',1,'0000004'),('CSC2',2,'0000005'),

('CSC2',3,'0000006'),('CSC3',1,'0000001'),('CSC3',2,'0000002'),('CSC3',3,'0000007'),('CSC4',1,'0000004'),('CSC4',2,'0000005'),('CSC4',3,'0000007'),('CSC5',1,'0000022'),


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('CSC6',1,'0000023'),('CSC7',1,'0000024'),('CSC8',1,'0000028'),('CSC 9 ',1,'000002 9 '),('CSC10',1,'0000001'),

('CSC11',1,'0000002'),('CSC12',1,'0000003'),('CSC13',1,'0000004'),('CSC14',1,'0000005'),('CSC15',1,'0000006'),('CSC16',1,'0000007');

Assignment of LA's to labs: (course, section, LA's id) ('CSC1',1,'0000008'),('CSC1',2,'000000 9 '),('CSC2',1,'0000010'),('CSC2',2,'0000011'),('CSC3',1,'0000008'),('CSC3',2,'000000 9 '),('CSC4',1,'0000010'),('CSC4',2,'0000011'),('CSC5',1,'0000025'),('CSC6',1,'0000027'),('CSC7',1,'0000028'),('CSC8',1,'0000016');

Assignment of Instructors to courses: (course,Instructor's id) ('CSC1','0000017'),('CSC2','0000018'),('CSC3','000001 9 '),('CSC4','0000020'),('CSC5','0000021'),('CSC6','0000017'),('CSC7','0000018'),('CSC8','000001 9 '),('CSC 9 ','0000020'),('CSC10','0000021'),('CSC11','0000017'),('CSC12','0000018'),('CSC13','000001 9 '),('CSC14','0000020'),('CSC15','0000021'),('CSC16','0000017');

Students courses: (student id,course,status) ('0000022','CSC1','P'),('0000022','CSC2','P'),('0000022','CSC3','P'),


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('0000022','CSC4','P'),('0000023','CSC1','P'),('0000023','CSC2','P'),('0000023','CSC3','P'),('0000023','CSC4','P'),

('0000024','CSC1','P'),('0000024','CSC2','P'),('0000024','CSC3','P'),('0000024','CSC4','P'),('0000025','CSC1','P'),('0000025','CSC2','P'),('0000025','CSC3','P'),('0000025','CSC4','P'),('0000026','CSC1','P'),('0000026','CSC2','P'),('0000026','CSC3','P'),

('0000026','CSC4','P'),('0000027','CSC1','P'),('0000027','CSC2','P'),('0000027','CSC3','P'),('0000027','CSC4','P'),('0000028','CSC1','P'),('0000028','CSC2','P'),('0000028','CSC3','P'),('0000028','CSC4','P'),('000002 9 ','CSC1','P'),('000002 9 ','CSC2','P'),('000002 9 ','CSC3','P'),('000002 9 ','CSC4','P'),('0000030','CSC1','P'),('0000030','CSC2','P'),('0000030','CSC3','P'),('0000030','CSC4','P'),('0000031','CSC1','P'),('0000031','CSC2','P'),('0000031','CSC3','P'),('0000031','CSC4','P'),('0000032','CSC1','P'),('0000032','CSC2','P'),('0000032','CSC3','P'),('0000032','CSC4','P'),('0000033','CSC1','P'),('0000033','CSC2','P'),('0000033','CSC3','P'),('0000033','CSC4','P'),('0000034','CSC1','P'),


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('0000038','CSC2','P'),('0000038','CSC3','P'),('0000038','CSC4','P'),('000003 9 ','CSC1','P'),('000003 9 ','CSC2','P'),('000003 9 ','CSC3','P'),('000003 9 ','CSC4','P'),('0000040','CSC1','P'),('0000040','CSC2','P'),('0000040','CSC3','P'),('0000040','CSC4','P'),('0000041','CSC1','P'),('0000041','CSC2','P'),('0000041','CSC3','P'),('0000041','CSC4','P'),('0000042','CSC1','P'),('0000042','CSC2','P'),('0000042','CSC3','P'),('0000042','CSC4','P'),('0000043','CSC1','P'),('0000043','CSC2','P'),('0000043','CSC3','P'),('0000043','CSC4','P'),('0000044','CSC1','P'),('0000044','CSC2','P'),('0000044','CSC3','P'),('0000044','CSC4','P'),('0000045','CSC1','P'),('0000045','CSC2','P'),('0000045','CSC3','P'),


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('0000047','CSC1','P'),('0000047','CSC2','P'),('0000047','CSC3','P'),('0000047','CSC4','P'),('0000048','CSC1','P'),('0000048','CSC2','P'),('0000048','CSC3','P'),('0000048','CSC4','P'),('000004 9 ','CSC1','P'),('000004 9 ','CSC2','P'),('000004 9 ','CSC3','P'),

('0000049

','CSC4','P'),('0000050','CSC1','P'),('0000050','CSC2','P'),('0000050','CSC3','P'),('0000050','CSC4','P'),('0000051','CSC1','R'),('0000051','CSC2','R'),('0000051','CSC3','R'),('0000051','CSC4','R'),('0000052','CSC1','R'),('0000052','CSC2','R'),('0000052','CSC3','R'),('0000052','CSC4','R'),('0000053','CSC1','R'),('0000053','CSC2','R'),('0000053','CSC3','R'),('0000053','CSC4','R'),('0000054','CSC1','R'),('0000054','CSC2','R'),('0000054','CSC3','R'),('0000054','CSC4','R'),('0000055','CSC1','R'),('0000055','CSC2','R'),('0000055','CSC3','R'),('0000055','CSC4','R'),('0000056','CSC1','R'),('0000056','CSC2','R'),('0000056','CSC3','R'),('0000056','CSC4','R'),('0000057','CSC1','R'),


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('0000057','CSC2','R'),('0000057','CSC3','R'),('0000057','CSC4','R'),('0000058','CSC1','R'),('0000058','CSC2','R'),

('0000058','CSC3','R'),('0000058','CSC4','R'),('000005 9 ','CSC1','R'),('000005 9 ','CSC2','R'),('000005 9 ','CSC3','R'),('000005 9 ','CSC4','R'),('0000060','CSC1','R'),('0000060','CSC2','R'),('0000060','CSC3','R'),('0000060','CSC4','R');('0000022','CSC6','P'),

('0000022','CSC7','P'),('0000022','CSC8','P'),('0000022','CSC5','P'),('0000023','CSC6','P'),('0000023','CSC7','P'),('0000023','CSC8','P'),('0000023','CSC5','P'),('0000024','CSC6','P'),('0000024','CSC7','P'),('0000024','CSC8','P'),('0000024','CSC5','P'),('0000025','CSC6','P'),('0000025','CSC7','P'),('0000025','CSC8','P'),('0000025','CSC5','P'),('0000026','CSC6','P'),('0000026','CSC7','P'),('0000026','CSC8','P'),('0000026','CSC5','P'),('0000027','CSC6','P'),('0000027','CSC7','P'),('0000027','CSC8','P'),('0000027','CSC5','P'),('0000028','CSC6','P'),('0000028','CSC7','P'),('0000028','CSC8','P'),('0000028','CSC5','P'),('000002 9 ','CSC6','P'),('000002 9 ','CSC7','P'),('000002 9 ','CSC8','P'),


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('000002 9 ','CSC5','P'),('0000030','CSC6','P'),('0000030','CSC7','P'),('0000030','CSC8','P'),('0000030','CSC5','P'),


('0000033','CSC5','P'),('0000034','CSC6','P'),('0000034','CSC7','P'),('0000034','CSC8','P'),('0000034','CSC5','P'),('0000035','CSC6','P'),('0000035','CSC7','P'),('0000035','CSC8','P'),('0000035','CSC5','P'),('0000036','CSC6','P'),('0000036','CSC7','P'),('0000036','CSC8','P'),('0000036','CSC5','P'),('0000037','CSC6','P'),('0000037','CSC7','P'),('0000037','CSC8','P'),('0000037','CSC5','P'),('0000038','CSC6','P'),('0000038','CSC7','P'),('0000038','CSC8','P'),('0000038','CSC5','P'),('000003 9 ','CSC6','P'),('000003 9 ','CSC7','P'),('000003 9 ','CSC8','P'),('000003 9 ','CSC5','P'),('0000040','CSC6','P'),('0000040','CSC7','P'),('0000040','CSC8','P'),('0000040','CSC5','P'),('0000041','CSC6','R'),


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('0000041','CSC7','R'),('0000041','CSC8','R'),('0000041','CSC5','R'),('0000042','CSC6','R'),('0000042','CSC7','R'),

('0000042','CSC8','R'),('0000042','CSC5','R'),('0000043','CSC6','R'),('0000043','CSC7','R'),('0000043','CSC8','R'),('0000043','CSC5','R'),('0000044','CSC6','R'),('0000044','CSC7','R'),('0000044','CSC8','R'),('0000044','CSC5','R'),('0000045','CSC6','R'),

('0000045','CSC7','R'),('0000045','CSC8','R'),('0000045','CSC5','R'),('0000046','CSC6','R'),('0000046','CSC7','R'),('0000046','CSC8','R'),('0000046','CSC5','R'),('0000047','CSC6','R'),('0000047','CSC7','R'),('0000047','CSC8','R'),('0000047','CSC5','R'),('0000048','CSC6','R'),('0000048','CSC7','R'),('0000048','CSC8','R'),('0000048','CSC5','R'),('000004 9 ','CSC6','R'),('000004 9 ','CSC7','R'),('000004 9 ','CSC8','R'),('000004 9 ','CSC5','R'),('0000050','CSC6','R'),('0000050','CSC7','R'),('0000050','CSC8','R'),('0000050','CSC5','R');('0000022','CSC 9 ','P'),('0000022','CSC10','P'),('0000022','CSC11','P'),('0000022','CSC12','P'),('0000023','CSC 9 ','P'),('0000023','CSC10','P'),('0000023','CSC11','P'),


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('0000023','CSC12','P'),('0000024','CSC 9 ','P'),('0000024','CSC10','P'),('0000024','CSC11','P'),('0000024','CSC12','P'),

('0000025','CSC9

','P'),('0000025','CSC10','P'),('0000025','CSC11','P'),('0000025','CSC12','P'),('0000026','CSC 9 ','P'),('0000026','CSC10','P'),('0000026','CSC11','P'),('0000026','CSC12','P'),('0000027','CSC 9 ','P'),('0000027','CSC10','P'),('0000027','CSC11','P'),

('0000027','CSC12','P'),('0000028','CSC 9 ','P'),('0000028','CSC10','P'),('0000028','CSC11','P'),('0000028','CSC12','P'),('000002 9 ','CSC 9 ','P'),('000002 9 ','CSC10','P'),('000002 9 ','CSC11','P'),('000002 9 ','CSC12','P'),('0000030','CSC 9 ','P'),('0000030','CSC10','P'),('0000030','CSC11','P'),('0000030','CSC12','P'),('0000031','CSC 9 ','R'),('0000031','CSC10','R'),('0000031','CSC11','R'),('0000031','CSC12','R'),('0000032','CSC 9 ','R'),('0000032','CSC10','R'),('0000032','CSC11','R'),('0000032','CSC12','R'),('0000033','CSC 9 ','R'),('0000033','CSC10','R'),('0000033','CSC11','R'),('0000033','CSC12','R'),('0000034','CSC 9 ','R'),('0000034','CSC10','R'),('0000034','CSC11','R'),('0000034','CSC12','R'),('0000035','CSC 9 ','R'),


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('0000035','CSC10','R'),('0000035','CSC11','R'),('0000035','CSC12','R'),('0000036','CSC 9 ','R'),('0000036','CSC10','R'),

('0000036','CSC11','R'),('0000036','CSC12','R'),('0000037','CSC 9 ','R'),('0000037','CSC10','R'),('0000037','CSC11','R'),('0000037','CSC12','R'),('0000038','CSC 9 ','R'),('0000038','CSC10','R'),('0000038','CSC11','R'),('0000038','CSC12','R'),('000003 9 ','CSC 9 ','R'),

('0000039

','CSC10','R'),('000003 9 ','CSC11','R'),('000003 9 ','CSC12','R'),('0000040','CSC 9 ','R'),('0000040','CSC10','R'),('0000040','CSC11','R'),('0000040','CSC12','R');('0000022','CSC13','R'),('0000022','CSC14','R'),('0000022','CSC15','R'),('0000022','CSC16','R'),('0000023','CSC13','R'),('0000023','CSC14','R'),('0000023','CSC15','R'),('0000023','CSC16','R'),('0000024','CSC13','R'),('0000024','CSC14','R'),('0000024','CSC15','R'),('0000024','CSC16','R'),('0000025','CSC13','R'),('0000025','CSC14','R'),('0000025','CSC15','R'),('0000025','CSC16','R'),('0000026','CSC13','R'),('0000026','CSC14','R'),('0000026','CSC15','R'),('0000026','CSC16','R'),('0000027','CSC13','R'),('0000027','CSC14','R'),('0000027','CSC15','R'),


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of courses taken or registered by students with id '0000041'and

'0000042'. status is the status of each course (i.e. 'P' forpassed,

'F' for failed, 'R' for registered).Query 2

List names of all students in year 1Query 3

List names of all instructors teaching year 1 coursesQuery 4

List designation of all courses that have tutorialsNo designation can repeat

Query 5List designation of all courses that have labs with more than 1

sectionNo designation can repeat

Query 6List names of instructors that teach at least one coursewith multiple-sections labsNo name can repeat

Query 7List names of instructors that teach only courseswith single-sections labs or no labsNo name can repeat

This is what the 7 queries should produce as results:

Query 1 NAME DESIG STATUS-------------------- ----- ------PERSON41 CSC1 PPERSON42 CSC1 PPERSON41 CSC2 PPERSON42 CSC2 PPERSON41 CSC3 PPERSON42 CSC3 PPERSON41 CSC4 PPERSON42 CSC4 PPERSON41 CSC5 R

PERSON42 CSC5 RPERSON41 CSC6 RPERSON42 CSC6 RPERSON41 CSC7 RPERSON42 CSC7 RPERSON41 CSC8 RPERSON42 CSC8 R


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Query 2

NAME--------------------PERSON51PERSON52PERSON53PERSON54PERSON55PERSON56PERSON57PERSON58PERSON59PERSON60

Query 3

NAME--------------------PERSON17PERSON18PERSON19PERSON20

Query 4

DESIG-----CSC1CSC10

CSC11CSC12CSC13CSC14CSC15CSC16CSC2CSC3CSC4CSC5CSC6CSC7CSC8CSC9

Query 5

DESIG-----CSC1CSC2CSC3


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CSC4

Query 6

NAME

--------------------PERSON17PERSON18PERSON19PERSON20

Query 7

NAME--------------------PERSON21

Solution based on ER-model 1 , solution based on ER-model 2 .

College course registration System ApplicationProgram in C:

The task is to write a simple C program that connects to thedatabase created previously and using the technique of

embedded SQL execute the 7 queries given above and displaythe result of each query on the screen (for that, the use of CURSOR is need).

Solution: the program , db2precomp , db2comp , db2bind ,Makefile


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C ourse Registration System - C ase Study

This case study is an excerpt from Rational's documentation athttp://www.rational.com/sitewide/support/whitepapers/dynamic.jtmpl .

Problem Statement

At the beginning of each semester students may request a course catalogue containing a list of courseofferings for the semester. Information about each course, such as professor, department, andprerequisites will be included to help students make informed decisions.

The new on-line registration system will allow students to select four course offerings for the

coming semester. In addition, each student will indicate two alternative choices in case a courseoffering becomes filled or canceled. No course offering will have more than ten students. Nocourse offering will have fewer than three students. A course offering with fewer than threestudents will be canceled. Once the registration process is completed for a student, theregistration system sends information to the billing system, so the student can be billed for thesemester.

Professors must be able to access the on-line system to indicate which courses they will beteaching. They will also need to see which students signed up for their course offering.

For each semester, there is a period of time that students can change their schedules. Students

must be able to access the on-line system during this time to add or drop courses. The billingsystem will credit all students for courses dropped during this period of time.

U se C ase Model

List of U se C ases (grouped by actors)

y S tudent--someone who is registered to take courses at the University.o Register for courses.

y P rofessor--someone who is licensed to teach at the University.o Select courses to teach.o Request course offering roster.

y Registrar--someone who is responsible for the maintenance of the Registration System.o G enerate course catalogue.o M aintain professor information.o M aintain student information.o M aintain curriculum.

y B illing System--external system that bills students each semester.o N o use cases


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U se C ase Descriptions (brief)

y Register for courseso The use case is started by the student. It provides the capability to create, review,

modify, and delete a course schedule for a specified semester. All pertinent billing

information is sent to theB

illingS

ystem.y Request class roster

o This use case is started by the professor. It provides the capability to request a printedlist of all students assigned to a specified course offering.

y S elect courses to teacho This use case is started by the professor. It provides the capability to select, review,

modify, and delete a list of courses to teach for a specified semester.y M aintain professor information

o This use case is started by the registrar. It provides the capability to create, review,modify, and delete professor information.

y M aintain student informationo This use case is started by the registrar. It provides the capability to create, review,

modify, and delete student information.y M aintain curriculum

o This use case is started by the registrar. It provides the capability to create, review,modify, and delete a list of course offerings for a given semester.

y G enerate catalogueo This use case is started by the registrar. It provides the capability to generate a

catalogue containing a list of course offerings for a specified semester.

Register for C ourses U se C ase

Flow of events: This use case begins when the student enters the student id number. The system verifies that thestudent id number is valid and prompts the student to select the current semester or a future semester.The student enters the desired semester. The system prompts the student to select the desired activity:

y C reate a schedule.y Review a schedule.y C hange a schedule:

o D elete a course.o Add a course.

The student indicates that the activity is complete. The system will print the student schedule and notifythe student that registration is complete. The system sends billing information for the student to thebilling system for processing.

A lternate flow If an invalid id number is entered, the system will not allow access to the registration system.


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If an attempt is made to create a schedule for a semester where a schedule already exists, thesystem will prompt for another choice to be made.

C reate a Schedule The student enters 4 primary course offering numbers and 2 alternate course offering numbers.

The student then submits the request for courses. The system then:1 . C hecks that prerequisites are satisfied for the requested course.2. Adds the student to the course offering if the course offering is open.

A lternate flow If a primary course offering is not available, the system will substitute an alternate course offering.

Review a Schedule The student requests information on all course offerings in which the student is registered for agiven semester. The system displays all courses for which the student is registered including

course name, course number, course offering number, days of the week, time, location, andnumber of credit hours.

C hange Schedule - Delete a C ourse The student indicates which course offerings to delete. The system checks that the final date for changes has not been exceeded. The system deletes the student from the course offering. Thesystem notifies the student that the request has been processed.

C hange Schedule - A dd a C ourse The student indicates which course offerings to add. The system checks that the final date for changes has not been exceeded. The system then:

1 . Verifies that the maximum course load for the student has not been exceeded.2. C hecks that prerequisites are satisfied for the requested course.3. Adds the student to the course offering if the course offering is open.

Cource Registration System

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